
AnderWriter
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After trying many mediocre apps of this type, I was glad to find this one. The clever controls let you choose any color quicky and easily (other apps limit you to pre-set colors, and make you do clunky things like moving RGB sliders), and the screen changes as you go, so you can see what you're choosing. Finally, to those unfamiliar with it, it makes your phone look like an alien communicator—so pick a strange color, speak into your phone like an alien, and see what people do. Bonus!
201 people found this review helpful

Allan S
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Great so far... just one thing though. As pointed out by another user once you go full screen you have to quit the app to get back, which really needs a better solution. Can you not have a "full screen mode" that allows you to touch the screen to escape from? And no my phone doesn't have a shutter button. Volume buttons change brightness in the app.
47 people found this review helpful
If your device has a shutter button, try pressing it. Full screen mode will be cancelled.
Postscript: If your device does not have a shutter button, the only way is to close the app once. sorry.

Clyde Fox
Does exactly as described with some extras sprinkled in, like strobe and rainbow. Google Play says there are ads on this app, but I didn't encounter any, which is good for me.