The frog sings it and dances while you, on of the backup dancers dances with it. In this game, you are one of 4 background dancing frogs. You tap to shake your hips. When the female frog says "yeah yeah yeah!" you shake 3 times quickly. When she says "yahoo" you shake quickly twice. When she says "spin it boys" you flick to spin. The lead singer is also the frog who speaks at the beginning of Rhythm Heaven and after Remix 6.
Like many others, there is a secondary version of this game. It has the same music but the frog isn't singing. Instead, he plays the saxophone as the vocal line. This makes it harder because you really have to listen to hear your directions from the female lead frog.