iPad/iPod Touch apps
Koala Band (free/ in-app purchases)
Sketch-a-Song Kids (free)
GarageBand (free on October 23, 2013 limited time offer)
Go Go Xylo (free)
Oratio's Flute Master (first two levels free)
Tap and Sing by StoryBots (free)
Maddie & Matt - Music Mania (free)
Jungle Orchestra (free)
Carnival of Animals: Music Education for Your Kids (free/in-app purchases)
Music Learning Lab (free)
Tune Topia! (free)
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Google Play Store
Sketch-a-Song Kids(free)
Xylophone Piano for kids (free)
Drum Kit Master (free)
Perfect Piano (free)
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Kindle App Store
Sketch-a-Song Kids (free)
Carnival of Animals (free)
Music Tales - educational game for kids (free)