Scenario:
Your right hand is holding your child's hand, he/she is whining about feeling bored in the MTR; your iphone is in your left hand. What do you do? Do you have enough cool widget handy to keep your kids occupied? (in a fun and educational way - popping virtual bubble wrap is NOT one, obviously.)
Check this out:
The application is inspired by the famous Jackson Pollock website:
Even Steve Jobs recommends it.
Wanna know more about Jackson Pollock? You can watch Ed Harris playing him in an 2000 movie: