Samsung SM-G750F Galaxy Mega 2 User Manual page 53

Motions & usability features
Adjusting the window size
Drag the circle between the app windows up or down to adjust the size of the windows.
Using Multi window options
When you use Multi window apps, select the app window and a white frame will appear
around it. Tap the circle between the app windows to access the following options:
•
: Switch locations between Multi window apps.
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