To open an app, tap its icon on the home screen, or swipe up from the bottom of your home screen, then tap the app.
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, drag up from the bottom of the screen, hold, then let go. In your recent apps, swipe up on the app.
To close all apps, drag up from the bottom of the screen, hold, then let go. In your recent apps, swipe right until you see the start of the list, then touch Clear all.
In your list of recent apps:
To search this help, tap 
If you don’t see what you’re looking for, check for app-specific help:

