Safelight is a simple security app for walking at night. (Green) It uses a flashlight that can be turned on and off. (Yellow) The middle allows the user to record video. Press once to start recording and hit a second time to finish recording. Video automatically saves to phone The top feature is to dial the emergency line, 911 for Americans. Press the red section once and the Phone asks if you to call the # or cancel. Press call if you have an emergency and cancel if you don't/accidentally hit dial.