running on the wear os will pop up the activity on the phone.
(setting:pop up:disable if you want the service to run on the background)
on device machine learning for motion detection, use your wear os to notify and detect:
detect rising of left arm to capture or start recording.
detect people.
detect animals.
detect pose.
https://www.youtube.com/watch?v=yMrcUBhGoAE
also with closed display.