Once you turn on flash notifications or alerts, your phone's LED flash will blink when you receive an incoming call or SMS message. This can be helpful in situations where you may not hear the ringtone or notification sound but can see the blinking flash(SMS, Facebook Messenger, Whatsapp, Telegram etc.). Flashlight: The primary function of the app is to turn on the flashlight on your mobile device with just one touch. This can be handy in situations where you need a fast light source, such