People who bitch about touchscreen games like to complain that "they're so simple." Those people need to shut up and play Finger Tied.
Keeping a dozen cranky infants happy hardly sounds like a fun time in real life; on the iPhone, it's the premise of Dirty Diapers, a fast-twitch puzzler just released on the App Store.
Some have estimated that one in 20 gamers are colorblind. I'm one of them. Dapple was brought to my attention last week as a game specifically designed to include colorblind players.