What are the new Smart Screen features?
Please see advice below:
Smart stay detects your eyes with the front camera so that the screen will not turn off while you keep looking at it.
Smart rotation disables auto screen rotation by checking the orientation of your face and the device by its front camera.
Samsung Smart Pause
Video will be paused if device don’t detects that your face is watching video player screen.
Samsung Smart Scroll
Smart scroll detects your eyes with the front camera so that the screen scrolls according to the angle the device is titled at.