This android app was mentioned in
with an average of
Its the Love Live rhythm game:
Downloaded from: [link]
Downloaded directly from: [link] using: apkpure
Not a guide that I know of, but here’s how to do it:
Android: Use a VPN app to change your region to Japan, then download “ラブライブ!” from Google Play OR simply download the APK from here. Note that downloading the APK will require you to re-download the APK with each app update.
Apple: You’ll need to create a Japanese iTunes account, which can be done by creating a new iTunes account and selecting “日本” as your region, then downloading “ラブライブ!” from the App Store.