While not an app, the AKB48 Wiki (in English) is a comprehensive fan-made resource. You can bookmark it for easy reference.
. There is no widely recognized or "official" English translation patch, but fans have documented the game's mechanics to help English speakers navigate its Japanese-only interface. Game Overview: Released by Kadokawa Games in Japan, akb48 me english translation install
Allow the app to "Display over other apps" in your phone settings. While not an app, the AKB48 Wiki (in