It's called 'Zombie Bobbleheads' and it's a balance-em-up, if that's such a thing. Basically you balance the heads or they fall off in a fountain of green goo, the longer you last the better. It also has in-game highscores, Awards that you can unlock new characters and biographies and increase the score multiplier, .
You can find it on Android Marketplace here if you have Froyo or higher:-
Here's a few behind the scenes renders etc, Sculpting done in 3D Coat, renders in Cinema 4D, Post work in Photoshop.