Pou - Pou is your cute alien pet who LOVES to eat and play!
Yousician - Learn to play music at home, at your own pace
Chicken Smoothie - Chicken Smoothie is a Virtual-pets, Fantasy-based, Browser-based and MMO video game.
Flowkey - The easiest way to learn piano with your iPhone or iPad
Dragon Pet - Dragon Pet is an Awesome, Virtual Pet, Role-playing and Single-player Simulation developed and published by A and A Games.
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.