Flowkey - The easiest way to learn piano with your iPhone or iPad
Smash Hit - Smash Hit is a First-person Perspective, Arcade, Hit and Smash, Single-player video game created and published by Mediocre AB.
Yousician - Learn to play music at home, at your own pace
Red Ball 4 - Red Ball 4 is an Arcade, Physics-based, Side-Scrolling and Single-player video game developed by FDG Entertainment GmbH.
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.
GESTICS VOLLEYBALL - GESTICS SPORTS: Graphics Exercises Sports Training - Images Coaching System