Convenient hear that you flash your smartphone – in the dark can be used as flashlight -. Example the Samsung Galaxy S4 But uhm … where is that actually function? Hint: it is a widget!
To Assist Lamp placing widget on your home screen, you first go to your list of apps. Then tap the Widgets (1). Then you just have to browse through this list to find the Assist Lamp widget (2). Put your finger on it, and it’s even on your home screen places (3).
In fact, you have just now a large on / off button of the LED flash on your Galaxy S4 makes a flashlight. Tap the widget to him to turn (4), and tap is left on for a time “response. M from Easy, and sometimes very useful.