FlashOnCall (old ver.) is an app with flexible settings that uses flash on your smart phone's camera to notify you about various events, such as messages and incoming calls. Features: 1. Flash on incoming calls1.1 Customisable flash duration1.2 Customisable flash frequency2. Flash on text messages2.1 Customisable number of flashes3. Common settings3.1 Customisable sound mode settings (normal, vibrate, silent) 3.2 Three different modes for various devices.