The app has been updated and is now available bundled with the English version here: https://play.google.com/store/apps/details?id=com.nchsoftware.pocketwavepad&hl=en
A professional audio editor for recording, editing, adding effects and sending audio, WavePad allows you to record voice or music, then edit the recording and add effects to get high-quality audio recordings. Work within audio waveforms to make selections for quick editing, such as inserting recordings from other files or applying effects such as high-pass filtering to improve audio quality. For journalists and other professionals who record on the go, WavePad makes it easy to store or send recordings so they can be accessed at a moment's notice if needed.
• Supports numerous file formats including wave and aiff
• Editing features include cut, copy, paste, insert, crop and others
• Effects include amplify, normalize, echo and others
• Work with multiple files
• Supports automatic and voice-activated recording
• Offers selection of sampling rates between 8000-44100Hz, 8-32 bit
• Recording remains running in the background and even when the screen turns off
• Upload and download from your Google Drive and Dropbox accounts