Samsung GALAXY Note 10.1 User Manual page 33

Tilting
Touch and hold two points on the screen, and then tilt the
device back and forth to zoom in or out.
Note: To move an icon to a new location, touch and hold it and
drag it to the target position. For more information, refer
to "Dragging" on page 26.
Panning to Browse
When an image is zoomed in, touch and hold a point on the
screen, and then move the device in any direction to browse
the image.
Understanding Your Device 29