If you want to position your phone for a photo and take a photo from distance, you can use your watch to take the photo while connection between your watch and phone is stable.
Android:
Connect your watch; Veepoo Health: Go to "Mine" > "My device" > "Take photo", your watch goes to "Camera" automatically ( You need to allow access to "Camera" "Photo" and "Storage" permissions first). Then tap the screen or shake your watch. Watch RIG: Swipe down to go to "Control Center" from face, tap "Camera" button and camera screen appears on your phone. Take the photo by tapping watch display or shaking it.
iOS:
Connect your watch; Open your Camera on your phone; Swipe down to go to "Control Center" from face, tap "Camera" button and take the photo by tapping watch display or shaking it.