Deprem Düdüğü is a free Android app developed by YOY GAME. It falls under the category of Utilities & Tools and is specifically designed for emergency situations. The app provides a simple interface that produces a whistle sound when activated. This can be used to alert rescue teams in case of earthquakes or other disasters where people may be trapped under rubble.

The app is designed to be easy to use and operates with a single tap. It produces a loud, high-pitched whistle sound that can be heard from a distance. The app is lightweight and does not require any special permissions, making it a useful tool to have on your phone in case of an emergency.