I work for an app development company called Treasure Apps based in London. We have recently released an app called Baby Dreams. In the app the user plays as a baby dreaming about candy. As the baby dreams he climbs up candy towers. The user must quickly and correctly navigate through these towers or he will fall and wake up. Nothing quite like this exists on the market at the moment. It is a game easy and simple enough to keep children entertained and quiet but addictive enough to keep teens and adults going back again and again.
The following link is a video play through of the app:
Currently it is only available for iOS, but it is free!
We can also be found on Twitter at @BabyDreamsGame