Blockbuster rhythm action game, O2Jam U! Gift 3 days free-pass for the new user. Point auto recharge Power Up Event: 1 point per every 3 min. Max 12 Points. Free Point Earn Event: able to earn points if remained points are below 12, so you need to play a song to earn the points again. Blockbuster rhythm action game, O2Jam U! Enjoy the No. 1 music game in an updated 1.
