Screen settings for iOS device running AUUG app:

Prevent your iOS device from turning on the lock screen during a pause in playing*:

Settings > General > Auto-Lock > [Never]

* If you rely on Auto-Lock for switching off your iOS devices touchscreen when not in use, switch Auto-Lock back on when you are finished using the AUUG app

The AUUG app has a dimmer control (for colour brightness), however maximum screen brightness is controlled in settings and should be set to maximum with Auto-Brightness switched off (if you want the button screen colours to be highly visable):

Settings > Wallpapers & Brightness > [brightness slider]

If you are having issues with the control center becoming activated while you are playing, it’s “access within apps” can be switched off:

Settings > Control Center > Access Within Apps > [OFF]