Samsung SM-T537AYKAATT - Manual (Page 37)

Understanding Your Device 32
Note: Once the two applications are running, the device
displays a split screen view containing both the initial
Multi window app and the second Multi window app.
Each application is still independent of the other.
Window Controls
Select an application window and touch in the middle of
the windows. Window controls display:
App 1
Edit
Control
Panel Multi
Window
Controls
App 2
Switch locations between Multi Window
applications.
Share items between the application windows.
Drag an item to share from one window to another.
Some applications may not support this feature.
Maximize the application.
Close the application.