World Wide Radio (com.archteon.worldwideradio) on Google Play
World Wide Radio offers access to 65 categories of music and more than 2000 online radio stations that stream directly to your device. The list is maintained by radio station owners and listeners and is updated every 24 hours. It uses data from http://www.dirble.com/ You can add any station there, then refresh the stations in the category and listen to the station you want if it does not already exist.