LED Police Lights Simulator with Emergency Sirens is an Android app developed by Christian Pappenberger, which is available for free on the Google Play Store. It is a popular blue emergency flashing light app that offers a realistic experience. However, it is important to note that the on-road use of this app is strictly forbidden.

The app features seven different animations with different texts, such as "POLICE," and six emergency sirens sounds from police, ambulance, and fire service, including a fire truck. The graphics of the app are realistic, especially in the dark. Users can also change the speed of the animations. The pro version of the app allows users to add their own text to the animations.

The app also offers an in-app purchase option to unlock additional features. Users can send their ideas and suggestions to the developer at any time via email. However, it is important to note that this app is for entertainment purposes only and should not be used in any real-life emergency situations.