4. Pandora
Pandora is an internet radio app that allows users to create customized stations based on their favorite artist, band, or song. You can also indicate if you like a song, and Pandora will program the station accordingly to your likes. Pandora is a great way to discover new artists and genres. When you register with the app, your profile will be public, unless you make it private. You can download Pandora from the Google Play Store here.