According to an aspect, a device includes a touch screen display and a controller. The touch screen display displays a screen of an application executed in the foreground. When the first gesture is performed on the touch screen display while a first application is executed in the foreground and a second application is executed in the background, the controller causes the first application to perform an operation according to the first gesture. When the second gesture is performed on the touch screen display while the first application is executed in the foreground and the second application is executed in the background, the controller executes the second application in the foreground.