The Flash App: Flash & Flash Alert is a free utility that will notify you of any incoming calls, messages, or other notifications by flashing the screen of your Android device. This app is designed to be used with your Android phone in silent mode, so you will not be disturbed by the ringing or vibration.

It is a very simple and easy-to-use app, and it has a beautiful design that will make you comfortable while using it. It is very useful for people who often leave their phones in silent mode and cannot turn on the ringtones.

The app is a perfect choice for people who need to receive notifications but cannot be bothered by the ringing or vibration.

You can set up the flash notifications to your preferences, and you can adjust the appropriate period for each application.