22/7 Ongaku no Jikan is a rhythm game released for iOS and Android, based on the [[22/7]] franchise. 

On September 30, 2021, it was announced that the game would be "terminating services":[https://227-game.com/news/?article_id=58702] on December 22, 2021.
22/7音楽の時間 ナナオン