Tap center of hands to make them temporarily disappear.

TAP 9 oclock- To cycle through 4 levels of additional dark filters. Good for when display is too bright in a dark setting. 4th Tap is complete darkness Theater Mode. Tap 6 oclock for ambient options.

Timezones 1 and 2 from Settings/Timeszones in app on phone.

Second hand is battery level when ambient.