It's like Flow but with 2 distinctions. First, look at the top left corner of the image. It indicates how many squares each color will occupy.
If you don't solve the puzzle in the given time......booooooom.
Stay away from Pipe Bomb. It's not terribly interesting or original. And besides, if you do a search in the App Store, the NSA will probably record that and you may never be allowed to fly again. Ha!