Power/Lock ButtonLocking the ScreenHeadset JackAbout the ScreenBuilt-in SensorsStatus Bar IconsThe Three KeysMenu KeyHome KeyBack KeyMicro USB Port and ChargerRinger VolumeMicrophoneBatterySIM CardMicroSD CardCameraSamsung and Google AccountsGoogle AccountSamsung AccountHome ScreenApp DrawerThe PanesS TravelEasy Mode and Standard ModeCustomizing the Home Screen and PanesAdding Widgets, Folders, Shortcuts, and WallpaperSet wallpaperApps and widgetsFoldersPageDeleting and MovingDeleting and Adding PanesControlling the Galaxy S4 with Your FingersTapTouch and HoldDragSlideFlickPinch and SpreadDouble-TapThe Magic of Air Gesture, Smart Scroll, Smart Screen, and Air ViewSmart Scroll and Smart ScreenAir GestureAir ViewUsing Multi Window