How to change the three programs of vivo right stroke

Settings → More Settings → Applications → Run.

All running programs will be displayed here. Select the program you want to close, and then click Stop. You can also press and hold the HOME key to open the display of recent tasks. Press and hold the program to be closed, select "Application Information" in the pop-up options, and click "Stop".

Open the settings icon on the mobile phone, click the system navigation option, check the full-screen gesture option, and slide horizontally at the bottom edge of the screen to open the switch for switching applications.