This must-be-from-Japan iPhone game is called Tsumineko Mew Mew Tower, and even from the Engrish name, you can pretty much deduce what it's going to be about. Yeah, you build a tower of cats.
And yes, it's as awesome as it sounds. Who hasn't wondered what it would sound like to stack cats, claw-to-back, in an attempt to match the Tower of Babel? The only difference is, Babel didn't collapse in a cacophony of mews.