This is a mp3 app that plays the top songs listed on Amazon.com. It also displays comments, album art, and links to purchase right from your android smartphone.
https://play.google.com/store/apps/details?id=com.dreamstep.wTopMP3SongsonAmazoncom
https://play.google.com/store/apps/details?id=com.dreamstep.wTopMP3SongsonAmazoncom