Use palm motions to control Galaxy S4 by touching the screen.
Before using motions, make sure the Galaxy S4 palm motion feature is activated. On the Home screen, tap Apps → Settings → My device → Motions and gestures → Palm motion, and then drag the Palm motion switch to the right.
Sweep your hand across the screen to capture a screenshot. The image is saved in Gallery →Screenshots. It is not possible to capture a screenshot while using some applications.
Cover the screen with a palm to pause Galaxy S4 media playback.