A free app for Android, by Papers.ch Development.

If you want to know what it feels like to have your phone ring with a police call, you’re in the right place. This is a free app that lets you simulate the experience with a variety of police lights and sirens.

All you have to do is download the app, set the tone you want, and then your phone will start ringing with that specific sound. You can even customize the sound to fit your own preferences.

There are also 2 widgets available that you can use for fast access on your home screen.