Samsung Galaxy Tab A User Manual page 29

Basics
Displaying the screen in landscape mode
Rotate the device until it is horizontal to view the screen in landscape mode.
Moving items
Tap and hold an item, and then drag it to a new location. To move the item to another panel,
drag it to the side of the screen.
To add a shortcut to an app on the Home screen, tap and hold an item on the Apps screen,
and then tap Add to Home. A shortcut to the app will be added on the Home screen.
You can also move frequently used apps to the shortcuts area at the bottom of the Home
screen.
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