Cue ball

Tap any of the dials to open the menu.

Over a 1000 colour combinations avaliable, tap the title; back, 123_ABC, hands, menu and then select a colour. Tap 'bright' to change to dim mode and then select your colour combination.

Tap 'reset' to return to the default colour combination.

Thanks to Terry Zahn for the hands and shadows.
Thanks to Roland Scholz for the calendar script.