An electronic device with a display and a touch-sensitive surface displays a first user interface of a first application. The device detects an input a contact on the touch-sensitive surface, movement of the contact across the touch-sensitive surface, and liftoff of the contact at an end of the movement. In response, the device, in accordance with a determination that the input meets last-application-display criteria, displays a second user interface of a second application that is distinct from the first application; and in accordance with a determination that the input meets home-display criteria, displays a home screen user interface that includes a plurality of application launch icons that correspond to a plurality of applications installed on the device.