The User Interface is very easy to use for anyone with full search capability to get to your favorite station fast. Once you find what you are looking for through the search, or navigating country/state/county, or via the Top 200 stations, you can immediately mark it as your favorite so you can pull it back instantly from your favorites list. While listening to a station you can click the news icon and get instant up to the minute police related twitter breaking news or click the map icon and jump to the Bing Maps of the station area with real-time traffic round conditions. At anytime click Chat from the menu and chat with other users of the app to discuss ongoing events. Top 200 most popular channels. (List changes daily). Chicago Police; Las Vegas Metropolitan Police - All Area Commands; Los Angeles (South Bay) Police and Fire; Indianapolis Metro, Beech Grove, Lawrence, and Speedway Police; Cleveland Police Dispatch and Metro Housing Authority; Oakland Police Dispatch - Patrol 1 and 2; Reno and Sparks Police, Fire, and EMS; Phoenix Police; San Diego City Police Dispatch; Columbus Police Dispatch; Louisville Metro Police Dispatch - Divisions 1/2 and 4/5; Memphis Police and Shelby County Sheriff; Pittsburgh Police Dispatch - Zones 1-6; Portland Police and Multnomah County Sheriff Dispatch; Saint John Area Police and Fire; San Antonio Police Dispatch; Akron Police Dispatch; Denver Police, Fire and EMS; Detroit Police Dispatch; Fresno City Police, Fire and EMS; Hemphill County Sheriff, Canadian City EMS, and Fire; Knox County Public Safety; Reno County Sheriff; San Bernardino County System 1 - Sheriff and Fire; Toledo Police, Fire and EMS; Tucson Police. Countries included (with many more being added): United States, Canada, Antigua and Barbuda, Argentina, Austria, Australia, Switzerland, Chile, Czech Republic, Germany, Spain, France, Greece, Croatia, Indonesia, Ireland, Luxembourg, Malaysia, Netherlands, New Zealand, Peru, Philippines, Russian Federation, Slovenia, Slovak Republic, Trinidad and Tobago, Ukraine, United Kingdom, South Africa.