Finally found a use case for automated watchface change
My new routine (and the first one which involves the my watch):
when I come to the gym, my watchface is changed from whatever it was to a digital one with shortcuts to GymRun and breath exercise.
Agree, a nice feature but too limited so far. Basically, change watchface is the only what you can do.
Looking forward if oneui 5 will bring more options.
Ps: just to be on the safe side: routings is a Samsung phone feature (OneUI feature, actually).