Samsung GT-P8510 User Manual page 20

Basics
Using dual view
Switch to dual view to run two applications on the screen at once.
While using an application, open the list of active applications, drag an application to the
right, and then drop it when the partition appears.
Tap and hold the partition, and then drag it to adjust the size of each application panel.
To return to single view, tap and hold the partition, and then drag it to the left or right edge of
the screen.
Closing an application
Close applications not in use to save battery power and maintain device performance.
Tap Task Manager on the Applications screen, select an application, and then tap End task to
close it. You can also drag an application screen downwards from the top edge of the screen
to close it.
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