TUMINEKO is very popular game application for iPhone.This is used for a demonstration in Apple Store of the all over Japan.
TUMINEKO means "piling up cats" in Japanese. According to the title, users can piles up a cats of various size. The cats are very cute for physics operation quaking!
Please download "TUMINEKO 2" if you want to challenge in world ranking. and I recommend "Real TUMINEKO" if you have iPad.
Why they say "real"? Please look at this image and this page [J].