Ossu! Tatakae! Ouendan! (Import)

Screenshots:

Background:
You play as a trio of cheerleaders who go around helping people complete various tasks that are distracting them from their goals.

Gameplay:
With your stylus you are to hit the numbered circles that appear on your screen in rhythm. Also including spinning a wheel or draggin your stylus down a track may appear as you continue throughout the game. This game is pretty simple to handle through levels, but can get tricky when it comes harder difficulties.