A portable electronic device displays a plurality of icons on a touch-sensitive display. The plurality of icons includes a folder icon that corresponds to a folder that contains a plurality of items. The folder icon includes respective selectable item indicators for at least some of the items in the folder. The device detects a finger gesture on the touch-sensitive display at a location that corresponds to the folder icon. In response to detecting the finger gesture on the touch-sensitive display at the location that corresponds to the folder icon, the device determines a respective item in the plurality of items in the folder that corresponds to the detected finger gesture and activates the respective item.