Apple iPhone 5c - Switching Between Apps; Viewing and Switching Open Apps

Switch between apps
You can easily switch between the apps you’re using.
View open apps. Double-click the Home button to reveal your open apps. Swipe left or right
to see more. To switch to another app, tap it. On iPhone 6s and iPhone 6s Plus, press the
left edge of the screen, then swipe right to switch apps.