The English version of this game is finally available for both Android and iOS devices. A lot of people actually anticipated the English release so I thought I'd put it out there and add to to my database. This is one of the more popular idol rhythm games currently out in Japan. Rumors are saying that players can transfer their data over from the Japanese version to the English one.
Love Live! School Idol Festival is a social rhythm game for mobile devices (both for iOS and Android) produced by KLabGames and bushiroad. In the game, the player creates units based on collectible virtual cards and performs Live concerts with a designated unit. All the songs used in the game are sung by members of the Love Live! idol group μ's. (Wiki Description)