Description
Pro version of the spectral audio analyser. Selectable bandwidth up to 24 kHz, flexible amplitude and frequency mapping through touch and scroll, different update speeds and colour mappings. Accurate display of high-pitch or even ultrasonic tones, environmental noise or rumble... .
Accurate real-time measurement feature allows detection and analysis of live audio. Spectrograms can be saved as png or jpg files to sd-card.
Bugs and feedback to: info@radonsoft.net
Reviews
Great tool Helped me identify the charger in my room emitting a high pitch electrical whine. The price of the app was reasonable for a good nights sleep :-)
'grebe52 using Galaxy S2 Works well with Android 4 on Galaxy GT-19100. I've been working on birdsong, and this application produces a decent and useful image of the analysis of the song, say, of a Blackbird (European), detecting frequencies well-beyond my (ageing) ears. It will also detect Bat echo-location signals. As an retired physicist I find this device incredible, when I recollect the amount of kit such as the CROs, mics, amplifiers, which was needed to do such an analysis years ago. I can sit in the garden and 'watch' the birdsong, with one small smartphone! It has also been useful in looking at the overtones emanating from a Tibetan Singing Bowl, and likewise by Mongolian Throat Singers. The fun is endless! A labelled y-axis would be a refinement. Nevertheless, an excellent application.
Really needs X-axis labels… This app really needs time labels along the X axis. Other than that, I am quite impressed. My background in acoustical analysis would make this of interest to me, but I think even those without such a background would have to find this very cool. I have a memory, from more than a quarter century ago, of being shown a waterfall plot, and hearing the sound that was represented, and having a light go on in my head about the relationship between what I was seeing and what I was hearing. Back then, it took the better part of an hour for a pen plotter to draw the waterfall plot that I was shown. I can imagine people today, watching this app on their phones in realtime, and having the same epiphany that I had back then. About twenty years ago, I wrote a program like this to run on an MS-DOS-based computer, in realtime. Back then, it took a specialized digital signal processor to handle doing the FFTs fast enough to make this possible. Isn't it amazing how far the technology has advanced, since then, that this can now be done in a small, common, handheld device.
Don't buy the full app stick with the free one I thought the free app was good. I kicked myself for forking out for the full version. Random signals and differences between devices asked for help was told to calibrate? Sent images of faulty traces but no reply since then. In short for me poor support, over priced app with very little extra for paying full price. Use the free one and stay happy.
Cool! Does one thing and does it very well! (Just used it to find the frequency I sing at, and the frequency I whistle at.)
Could be useful with some updates 24k causes the audio on Samsung GSIII to fail. It could also benefit from a calibration option, like your frequency analyzer app. Also, a change in orientation option would be great to see a wider view of the frequency range, to help isolate problem frequencies. And saved settings are a must!
What's New
Version 1.5:
- Native support of large screens and tablets
- Works on Android 3.x
- Measurement added, activate in options
- Save spectrogram to sd-card
Version 1.61:
- support fo sd-install
- crash when pausing app fixed
Thanks for all the feedback!
Enjoy!
Similar
Speedy Spectrum Analyzer
New version! Professional-grade FFT / Spectrum Analyzer, tested and in use all around the world by live sound engineers, scientists, mechanics, and hobbyists!
Thank you everyone for making this the top spectrum analyser application on the market. I am dedicated to making this app work well for you! Risk-free purchase; I will refund your money (even beyond Google's 15 min window) if the app does not work for you.
Features include:
* Both Logarithmic & Linear frequency axis
* Smooth, joyful pinch-to-zoom! Pinch to zoom in on ANY signal section... and zoom... and zoom...
* Pan (vertical and horizontal) by simply dragging the screen
* Dynamically adjusting FFT size, up to 16384 bins (for 2-3 Hz accuracy!), based on the optimal size for your screen.
* Exponential averaging (adjustable)
* Peak hold overlay
* Share screen snapshots easily
* Range set - full audio range from 20Hz, up to 22kHz!
* Peak & valley measurements with crossbar tools
* Adjustable dB levels for ceiling / floor
* And many more!
Designed & tested to work on Honeycomb, Gingerbread, and Froyo.
If you have ANY problems with this release, or requests - email dev@electronchaos.com. I *will* respond, and work towards fixing your issue. And if I can't fix it, I will give you a full refund.
The screenshots show some of the dynamic zooming capabilities, and the linear vs logarithmic modes. The first screenshot shows the analyser in linear mode, while the next shows logarithmic. The screenshots show the mic on the OG Droid phone capturing a test tone at 21kHz, in addition to other frequencies. Nice real-time analyzer!
The last two screenshots show a zoomed in signal at the lower frequency range - same signal sample (paused again), with two different windows applied.
I am honoured and humbled by each and every purchase made; thank you!
Email for contact is dev@electronchaos.com
Thank you everyone for purchasing - the response has been great! I appreciate all the encouraging emails.
Purchases are risk free - I offer refunds past the 15-minute window if it does not work on your hardware for some reason.
H/W Updates across all versions:
All reported hardware issues have been resolved - these are listed below for documentation:
Fix for Toshiba Thrive, and Dell Streak mic input issue.
Fix for Samsung Captivate (Galaxy S SGH)! Thanks for the report Red Baron - if this update fixes your problem, I would appreciate an update to your review.
Contains workaround for the Atrix phone hardware microphone issue. UPDATE: Fix confirmed! Thank you Motorola engineering for the workaround.
My goal is to make a useful spectrum / spectral analyser tool for audio professionals, engineers, installers, etc. Signal processing is useful in many fields, from microphone analysis to RTA, to engineering / technical fields. Let me know how you use it! I find it fascinating the different uses.
Here are the permissions the app requests, and why:
* android.permission.RECORD_AUDIO
To capture audio from the Microphone to display
* android.permission.WRITE_EXTERNAL_STORAGE
Save the graph to an image, and send it via email.
Please feel free to email me with any questions, concerns, requests, etc. I love feedback: dev@electronchaos.com
Spectrum Analyzer 2
Audio spectrum analyzer 2.0
*****
IMPORTANT: it shows spectrum only for internally played music but not for FM radio or mic, if you have any problems, email me.
Some devices or music players may have problems (really not all), so try free version first.
*****
Make from your phone or tablet a spectrum analyzer for your music.
It show frequency spectrum of music played from your favorite music player running in the background.
Frequency spectrum is shown in logarithmic scale on X approximately from 43Hz to 22kHz and on Y from 0 to -50dB.
from settings menu you can change:
- color theme (11 themes)
- number of channels (from 16 to 96)
- configure bars and peaks speed
- orientation (landscape, portrait, by sensor, ..)
and by long pressing the display you can switch fullscreen mode.
This app is paid version of "Spectrum Analyzer", with some enhancements.
thanks for buying.
SPL and Spectrum Analyser
SPLMeter shows SPL (deciBels) of the Android's mic signals, and their frequency spectrum. The meter has three speeds: Fast, Medium and Slow. Shows peak envelope and frequency of maximum intensity, and clipping. ISO 1/3 Octave bars and Spectrogram.
(If you need a more fully featured RTA, with 1/1, 1/3 and 1/6 octave display, RT60, Noise Criteria, A&C Weighting etc. combined with a signal generator, please take a look at my "AudioTool" app in Android Market.)
Spectrum Analyzer
Audio spectrum analyser for Android! Very precise diagram
showing the spectrum of the audio signal near the phone.
You can see the visualization of your voice or music. Additionally it will display frequency of the loudest signal.
Can be used to test your instruments, check your football whistle frequency, and
even tune your piano, guitar or other string instrument."
showing the spectrum of the audio signal near the phone.
You can see the visualization of your voice or music. Additionally it will display frequency of the loudest signal.
Can be used to test your instruments, check your football whistle frequency, and
even tune your piano, guitar or other string instrument."
Features real-time smooth high framerate spectrum diagram! Frequencies between 20Hz and 20kHz!
Scale is logaritmic, what is best for human perception.
Software is using FFT internally.
This application is using advertisement, but it will not create icon or bookmarks on the desktop. We are also not using any push advertisement.
FrequenSee - Spectrum Analyzer
See your voice, music or test your audio equipment. See whatever your microphone can hear!
This real-time spectrum analyzer / audio visualizer features:
- 128 high-quality frequency bands [20Hz to 22kHz]
- Logarithmic frequency scale to match human perception
- Low latency for high responsiveness
- High framerate to see smooth frequency and amplitude movements
- High performance native code using OpenGL ES 2.0
- FFT window size 2048 @ 43/58(Armv7+) frames per second
Note:
The internet permissions are used for ads.
Any feedback is welcome.
Spectrum Analyzer
Spectrum Analyze gives you real-time spectrum data from the audio data. A great way to analyze sound from you Android device.
Features in Free Version
* No Ads
* 44100 Hz sampling rate
* 8192 samples per spectrum
* ~5.4 Hz Resolution per point
* Peak Detect of whole spectrum and your local window
* Pinch to Zoom
* Tap to Pause
* Max Hold
* Take Screenshot
* Share on Facebook, Gmail and many more
Features in Premium Version.
* Limited time 99 cent app! Will increase price as more features are added.
* Help out the developer to keep adding more features!
* Beta Log Frequency Scale
* Adjustable sample rate from 8000 Hz to 48000 Hz
* Adjustable Size of FFT up to 100000 samples
* Not limited on Power of 2 sized FFTs (Must be even though)
* Autoscale
* Adjustable Manual Scale
If you purchase the app and don't like it contact me for a refund.
Frequency Analyzer
Free application for visualizing sound coming to your phone's microphone. Program can show both waveform (time domain) and frequency spectrum (frequency domain) in real-time. User can pause, pan, zoom-in, zoom-out graphs.
The dominant frequency of the sound is also displayed.
The dominant frequency of the sound is also displayed.
Spectrum Analyzer
Audio spectrum analyzer.
*****
IMPORTANT: it shows spectrum only for internally played music but not for FM radio or mic, if you have any problems, email me
*****
Make from your phone or tablet a spectrum analyzer for your music.
It show frequency spectrum of music played from your favorite music player running in the background.
Frequency spectrum is shown in logarithmic scale on X approximately from 43Hz to 22kHz and on Y from 0 to -50dB.
You can change the color by long pressing the display.
This app is very simple without any settings and don't use any extra permissions except for audio.
If you like this, you can buy Spectrum Analyzer 2, where is added settings and some enhancements and which cost less than one beer.
Spectrum Analyzer Pro
Spectrum Analyzer Pro is a music visualization tool. You can visualize sound coming from phone's microphone in variety of shapes and effects.
Features:
- No ads!
- Import/export option
- 18 predefined presets!
- Ability to load your own photos (make sure to select Blending mode to "Texture")
- Sensitivity can be adjusted
- Dark and light UI theme
- 8 basic preset types
- Over 16 different effects
- Custom shaders (for advanced users)
- Adjustable quality (for older phones)
Features:
- No ads!
- Import/export option
- 18 predefined presets!
- Ability to load your own photos (make sure to select Blending mode to "Texture")
- Sensitivity can be adjusted
- Dark and light UI theme
- 8 basic preset types
- Over 16 different effects
- Custom shaders (for advanced users)
- Adjustable quality (for older phones)
Note: If you experience slow performance, try to lower the quality of the preset.
FrequenSee HD - Audio Analyzer
See your voice, music or test your audio equipment. See whatever your microphone can hear!
The HD version offers more detail than the free version.
This real-time spectrum analyzer (RTA) / audio visualizer features:
- 256 high-quality frequency bands [20Hz to 22kHz]
- Logarithmic frequency scale to match human perception
- Low latency for high responsiveness
- High framerate to see smooth frequency and amplitude movements
- High performance native code using OpenGL ES 2.0
- FFT window size 4096 @ 58 frames per second
Any feedback is welcome.
ProSpec - Spectrum Analyzer
Discussion Group:
https://groups.google.com/d/forum/prospec-discussion-group
https://groups.google.com/d/forum/prospec-discussion-group
User manual:
http://www.digiphd.com/prospec-real-time-spectrum-analyzer-user-manual/
ProSpec is a Real time spectrum analysis tool. It generates a spectrogram on the fly and supports 8kHz, 16kHz, 22kHz and 44.1kHz sampling frequencies.
You can record, playback, save and share the spectrogram. In addition you can change some audio analysis settings. It provides a maximum frequency tracking facility with measurements both in dBFS and SPL (dBA).
Other features include:
- Time scale in seconds
- Real time waveform
- Update speed
- Dynamic range control
- Offline spectrogram analysis tool
- Real time zooming (So you can zoom right in on a frequency)
- Complete color customisation
- RGB option
- For audio engineers, an invert feature for live events in dark rooms
- Snapshot feature allowing you to share, view or save the generated spectrogram externally
- Audio tool, allowing you to share, save and listen to the complete audio that has been recorded (apart of the off-line spectrogram analysis)
- Saving, sharing and exporting the configuration
NOTE: If you are not satisfied or find any issues with ProSpec, please tell me in the discussion group before leaving negative feedback, I may be able to resolve your issue in an update and your input will be invaluable to ProSpec's evolution. Thanks!
USEFUL FOR:
home theatre, audio engineer, car audio, linguistics, speech pathology, electronic engineer, tech savvy musicians, engineering and audiologist students
TECHNICAL INFORMATION
- Up to 4Hz resolution at 8kHz sampling frequency (Adjustable FFT size from (256-2046)
- Uses a moving window to calculate the FFT Magnitude spectrum
- Analysis Windows: Hamming, Hanning, Blackmann and Rectangular
- Frame length adjustable from 10-100ms
- Frame shift fixed to 14ms
- Dynamic range: -1dB to -90dB
- Bandwidth available: 50Hz - 22.05kHz
- Selectable update time from (10-40s)(also depends on frame length)
- Zoom up to a 50Hz region
- JET RGB color scheme (and many many many others)
WORD FROM THE DEVELOPER:
I developed this tool to use personally and I believe it has some use to others in the community. ProSpec also has some major advantages over other real-time spectrogram apps available in the same price bracket. e.g time scale (x-axis labels), frame length, real time frequency zooming, saving settings and sharing the audio and images, SPL, off-line spectrogram analysis, and maximum frequency tracking. These are all features I wanted a single tool to have, ProSpec has been developed to accommodate my needs and hopefully yours.
NOTE ABOUT SPL:
The SPL calculation includes a calibration dB offset. An offset of 0dB is my current calibration for a Motorola Atrix running Android 2.3.4. However, your device will no doubt be different and hence will display the incorrect value. To calibrate properly read the user manual.
Tested Devices (Better suited for dual core devices):
Motorola Xoom with Android 4.0.4 (Good)
Samsung Galaxy S III with Android 4.0.4 (Good)
Sony Xperia S with Android 4.0.4 (Good)
Motorola Atrix 2 with Android 2.3.6 (Good)
HTC Desire HD with Android 2.3.5 (A bit slow)
Motorola Atrix with Android 2.3.4 (Good)
HTC Incredible S with Android 2.3.5 (A bit slow)
As seen above the performance of ProSpec depends to some extent on the hardware of each device. I have done my best to support as many devices as possible, and will continue to do so.
BUGS AND REPORTS:
If you find any bugs or issues please e-mail me (miscanalysis@gmail.com) and include what you were doing at the time the bug occurred so I can fix it. If it happens I can't support your device I WILL REFUND YOUR MONEY.
Like image was synthesised from accumulating sin waves into an audio file.
Spectrum Analyzer
SpectrumAnalyzer has a very simple interface consisting primarily of an onscreen ON/OFF switch. The normal output is a display of the Fourier spectrum of the audio picked up by the microphone. No advertisements.
There are a few options available via the Android Menu key. The user may toggle to switch between a white or black background. The user may also view the actual sound waves directly (as opposed to viewing their frequency spectrum).
The duration of the sound snippet is 0.1 second.
I have noticed that there are two lines at 7,200 and 14,400 Hertz while developing Spectrum Analyzer. I suspect these sounds are emitted from the hard disk that runs at 7200 RPM. Outside, I noticed crickets chirping around 5,600 Hertz.
To learn more about frequency spectra see the one-page tutorial on our website, https://sites.google.com/a/andwaves.com/www/home/about-fourier-transforms
The program uses the new Google licensing standard. In theory this means the program can be copied to an SD card, freeing up internal memory in the Android, although I haven’t tried it.
If you have purchased the software and need help or would like to discuss your application, I will be happy to spend a few minutes with you on the phone (321.252.8205).
Spectrum Analyzer
Spectrum Analyzer is a music visualization tool. You can visualize sound coming from phone's microphone in variety of shapes and effects.
Features:
- 18 predefined presets!
- Ability to load your own photos (make sure to select Blending mode to "Texture")
- Sensitivity can be adjusted
- Dark and light UI theme
- 8 basic preset types
- Over 16 different effects
- Custom shaders (for advanced users)
- Adjustable quality, for older phones
Features:
- 18 predefined presets!
- Ability to load your own photos (make sure to select Blending mode to "Texture")
- Sensitivity can be adjusted
- Dark and light UI theme
- 8 basic preset types
- Over 16 different effects
- Custom shaders (for advanced users)
- Adjustable quality, for older phones
Check out also Spectrum Analyzer PRO. It is ad-free and has the ability to import/export your presets.
Note: If you experience slow performance, try to lower the quality of the preset.
SpecScope Spectrum Analyzer
Thank you for all the support. Specscope is now free! I hope everyone enjoys it! Checkout NFX Oscilloscope
SpecScope is a spectrum analyzer and is the second in the line of engineer applications from NFX Development. The SpecScope incorporates the speed and ease of use to access FFT frequency measurements in a hurry.
The UI maximizes the size of the screen, using gesture control to navigate around the graph measurement.
If you are unhappy in anyway with this product, feel free to contact me and I will help all I can, if I cannot help I will offer a refund at any time (even past the 15 minute google refund mark)
Email : nfxdevelopment@gmail.com
- Logarithmic/Linear measurements
- Pinch to zoom in both X and Y axis
- Simply navigate round the graph by dragging
- Selectable No. bin for accuracy versus speed
- Three settings of spectrum averaging
- Four different windowing options
- Threshold trigger to hold the peak value
- Tap to pause and resume measurements (graph is still navigational in this mode)
- A adjustable sample rate allow analysis from 10 Hz to 22KHz
- Optional measurement markers for ease of reading
Thank you for purchasing, I hope you enjoy! If you have enjoyed this app leave a quick rating and comment. Thanks!!
Spectrum Analyzer
_▒▓ ♪♬ Spectrum Analyzer ♬♩▓▒_
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Professional realistic vintage audio spectrum analyzer for your device.
It shows audio frequency components of the ambient, your voice or the music played on your device.
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Professional realistic vintage audio spectrum analyzer for your device.
It shows audio frequency components of the ambient, your voice or the music played on your device.
Features:
───────
■ relative reading in dB
■ custom meter fallout speed
■ custom meter calibration
■ source: microphone or music played
■ 11 segment realistic VFD display
■ 11 frequency bands
■ free
SPL Spectrum Analyzer
App measures and analyses sound pressure level and sound frequency spectrum in real time (RTA) using FFT.
It is very easy to use and offers a lot of useful features: high RTA refreshing rate and frequency resolution, adjustable sound pressure level scale (up to 150 dB), RTA peak hold function, flat reference line, local peaks...
RTA measurement can be recorded on 3 separate channels. User can later compare SPL and frequency response charts between the channels.
It also includes a signal (tone) generator, which helps us measuring the frequency response of a sound system.
Input/output can be adjusted to Internal, AUX or Bluetooth. However, all I/O options and combinations do not work on all devices.
Microphone can be accurately calibrated for each frequency band separately.
More from developer
Spectral Audio Analyzer
Free real-time audio analyser with 8 kHz spectral bandwidth. Display any sort of audio from the microphone as a coloured spectrogram. Identify environmental noise, search for annoying tones, view harmonic patterns of instruments and voices, analyse the frequency range of your speaker... .
Bugs and feedback to: info@radonsoft.net
Change My Voice
Change your voice in real-time after recording -- this voice processor makes your voice sound like a robot, an alien, a baby and many more. Put yourself in a pipe, in a bathroom, a hall or a station. Speed your voice up, slow it down or alter it's pitch.
A virtual unlimited combination of effects and rooms give you free control over the sound of your voice message. 3D processing adds space when listened in stereo (e.g., headset).
This version allows real-time playback and set-up of all parameter. For saving, ring- notification- and alarm-tone functionality see the pro version of VoiceProcessor.
Feedback and comments to: info@radonsoft.net
RTA Audio Analyzer
Turn your Android phone into a professional audio analyser. Supports one, 1/2 and 1/3 octave filter and calibration. Displays overall Peak and RMS value for acoustical measurements.
Measure the frequency response of your audio equipment, identify tones and noises.
Bugs etc: info@radonsoft.net
Signal Generator
Easy to use audio signal generator that creates white- and pink noise as well as sine waves.
Test the bandwidth of your phone's speaker (or your ears...), create true uncorrelated noise.
Make sure to check out our Spectral View, RTA and other apps in the Market.
Bugs and comments to support@radonsoft.net
MyIP
MyIP displays your current IP address, the hostname and connection type.
The external address visible to the internet as well as the internal is shown, which may differ in case of WIFI or Proxy connections.
Bugreports to info@radonsoft.net.
RTA Pro Analyzer
Professional version of the RTA audio analyser. Adds 1/4, 1/6 and 1/12 analysation band spacing with up to 120 bands, scalable peak holds and more colour schemes. Permanently stores calibration data. Screenshots can be saved and peak / rms values can be exported to a .csv file.
If in doubt, check our free RTA .
Bugs, comments to: info@radonsoft.net
Voice Processor
Change your voice in real-time after recording -- this voice processor makes your voice sound like a robot, an alien, a baby and many more. Put yourself in a pipe, in a bathroom, a hall or a station. Speed your voice up, slow it down or alter it's pitch.
A virtual unlimited combination of effects and rooms give you free control over the sound of your voice message. 3D processing adds space when listened in stereo (e.g., headset).
This version allows real-time playback and set-up of all parameter. For saving, ring- notification- and alarm-tone functionality see the pro version of VoiceProcessor.
Feedback and comments to: info@radonsoft.net
Noise and Sweep Generator
Generates very high quality, red book compatible wav files with white and pink noise as well as sine sweeps 20 Hz to 20 kHz that can directly be burned onto an audio CD.
Use the pink noise to calibrate our RTA Analyzer, check your audio equipment with noises and sine sweeps.
Bugs, comments to: info@radonsoft.net
Live Spec Live Wallpaper
Live wallpaper that displays live audio data as a spectrogram or waveform on the home screen. For additional options also check our pro-version, that allows to change colour, size, update speed and more.
App shows up in the live wallpaper list (long tap homescreen)!
Bugs, comments etc.: info@radonsoft.net
MultiMap
Select between various maps for position display:
- Google
- OpenStreetMap
- OpenCycleMap (cycling)
- OpenPisteMap (skiing)
and more...
Data may be pre-cached for offline usage. Speed depends on internet connection and map server availability.
pdf-manual at: mypos.radonsoft.net
Bugs, comments etc. to: info@radonsoft.net
TrakMe
TrakMe allows you to build your own tracking server application. Tracking data like position, speed and altitude is sent in real time to a server, where others can view it after entering your unique phone ID.
Full source code is provided at trakme.radonsoft.net.
1.1:various fixes
Send comments, bugs to info@radonsoft.net
SoundCheck
SoundCheck evaluates your phone's audio capabilities for playback and recording. For high quality audio, 44.1 kHz or more should be supported.
The results may optionally be sent to our server, allowing us to build a public database of phone/os version capabilities.
Questions etc. to info@radosoft.net.
WarmMe
Warm your hands when it gets cold --- not only for women ---
Displays remaining battery and current temperature. Stops at 5% battery. Lasts approx. 2h with the G1 at 37°C. Who's battery last longest...?
Comments, bugs to: info@radonsoft.net
MyCon
Displays current network connections of your phone.
Check for unwanted connections, find applications that hold links to the internet, identify VPN or network problems.
Details like name, country, ISP about destination IPs can be retrieved by clicking on the entry.
1.0.3: compat. fix
Bug reports to: info@radonsoft.net
Steel Balls
Steel Balls of different colour rolling on a wooden or metal surface. Use the gravity and tilt your phone to bring the balls to their base. Balls on a wrong base are eaten and cause penalty.
Navigate through 7 levels and different difficulties.
Navigate through 7 levels and different difficulties.
Unlike with classical labyrinth games, the challenge here is to control several balls at the same time.
Suggestions and feedback welcome at info@radonsoft.net
tags: labyrinth, balls, wood, metal, holes, levels, gravity, tilting
LiveSpecPro Live Wallpaper
Pro version of the LiveSpec wallpaper. Displays live audio as spectrogram or waveform on the home screen. Colour, size update speed and sensitivity can be set up individually.
App shows up in the live wallpaper list (long tap homescreen)!
Bugs, comments to: info@radonsoft.net