スクールガールストライカーズ トゥインクルメロディーズ is a free game developed by SQUARE ENIX Co. Ltd. for the iPhone. The game was released on August 31, 2017, and the service was discontinued on September 13, 2018. The game allows players to join the idol group "スクスト" and experience their singing and dancing performances.

One of the main features of the game is the diverse cast of characters. Players can choose their favorite girl and form a unit with them. The game also offers a variety of idol outfits for players to dress up their characters in.

In the live performances, players can showcase their unique unit through 3D CG live performances. The game also features a full-voice story mode, providing players with a complete narrative experience.

Please note that the game requires a recommended device with 3D support, such as iPad Air2, iPad mini 4, iPhone 6s, or later models.

Please note that the service for スクールガールストライカーズ トゥインクルメロディーズ has been discontinued.