Samsung ST80 66, In Playback mode, tilt the camera while touching and holding .

Playback/Editing 66
Playing back
Selecting a menu using motion recognition
Your camera features a built-in motion sensor that allows you to
quickly select a menu by tilting the camera.
In Playback mode, tilt the camera while touching and
holding .
Set the current photo as your favorite photo*
( will appear on the top of the file.)
Lock or unlock the current file
( will appear on the top of the file.)
* You cannot set files as favorites for:
videos or voice memos -
photos with errors or locked photos -
photos taken with cameras from other manufacturers -
photos taken using the motion capture option set -
photos that are too large for the available memory -
Viewing files using motion recognition
You can view files by tilting the camera.
Motion recognition may not work well if you hold the camera t
parallel to the ground.
When you rotate the camera 90t o or 180o while viewing a photo,
the camera will automatically change the orientation of the
displayed photo according to the camera direction.
To deactivate this function, select t M  . Gesture View
 Off in Playback mode.