This is almost identical to Baku Baku Animal, a brilliantly simple addictive game by Sega for the Dreamcast console, this isn't quite as good but definitely the next best thing.
It's keeping me from other things I should be doing... But it's just a good, fun little game. Kids love the sound effects too.
Took a while to get the hang of it and my fat fingers caused mischief in a panic...but now we have the munchies!
Addictive Tetris with a twist... And doesn't require any permissions which is a novelty in itself these days!