App: VSound
Developer: Andrey Kuzmenko
Genres: Music, Photo & Video

You can use the app to:

* enjoy various visualisations of the music while listening
* learn tonal languages: see how the tones look, and try to mimic
* practice singing and try to hit specific notes, octaves, jump intervals
* as a visual aid for people who cannot perceive certain frequencies

Release notes:
Improved user notification when no audio input is selected.
Improved reaction to short bursts of high frequencies.