Live Police Scanner for Android is a free app that allows you to listen to the live action from police, fire and rescue personnel over 3G or wifi networks. You can listen to live scanner feeds from countries including the U.S., Canada, Australia or the U.K.

The app allows you to view a list of available scanners from U.S. cities and countries across the globe. You can easily listen to live police radio scanners, air traffic control, fire departments, emergency medical services and railroad scanner radio. The easy-to-use menu function allows you to choose scanners from a specific country, state or city. The menu also features a hot events section that clues you into the scanners with the most activity.