This is a nice fire and police scanner for your Android phone (or tablet)…
Listen to live audio from over 7,000 fire and police scanners, weather radios, amateur radio repeaters, air traffic and marine radios from around the world. Turn on notifications to receive alerts anytime a scanner has more than 3500 listeners (find out about major events as they’re breaking).
Scanner Radio – Fire and Police Scanner
Note: To install on your smartphone or tablet, look for the “Google Play” app. Open the app and search for the title of this application.