Overlay mode lets you use other apps while still using the app. Overlay mode minimises the app so you see only the following items in an overlap panel:
Showing the overlay panel
In the Settings menu, select Overlay options then switch on Show overlay. When you press the device Home button or Back button to return your device to the home screen the overlay panel is shown. The app is still active and gives notification warnings and sounds.
Moving the overlay panel
Select and hold the overlay panel, then drag it to the position you want.
The quick-access menu
The quick access menu has the following items: