1. double cick the home and swipe the app upwards..
2. Double-click the Home button. This will show thumbnails of all the open apps, with their corresponding icons beneath, as pictured above.
3. Swipe to the left or right to show other open apps. It doesn’t circle endlessly.
4. Press on a thumbnail or icon to select that app; it will then expand to fill the screen.
5. Swipe up on a thumbnail to close the app. You can swipe up on any thumbnail, not just the one in the center of the screen.