Don’t Tap The White Tile - Don’t Tap The White Tile is a Free to play Arcade and Single-player video game created and published by Cheetah Games.
Flowkey - The easiest way to learn piano with your iPhone or iPad
Rolling Sky - Rolling Sky is a ball game through which you can develop hand-to-eye co0rdination.
Yousician - Learn to play music at home, at your own pace
Piano - Piano lets you quickly learn the piano or other musical instruments using cell phones and tablets, and also contains magic tiles and different mini-games.
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.