To open an app, tap its icon on the Home screen, or swipe up from the bottom of your Home screen to open the app tray, then tap the app.
To leave an app, tap 
You don't need to close apps. Android manages the memory and battery that apps use, so you don't need to worry about leaving apps open.
To close one app, tap 
To close all apps, tap 
To switch between recently used apps, swipe left or right at the bottom of the screen.
To see your list of recent apps, drag up from the bottom of the screen, hold, then let go:
To search this help, tap 
If you don't see what you're looking for, check for app-specific help:

