With the Amazon Music app, you can play or download your music collection on your Android device when you sign in with the same Amazon account e-mail address and password you use for your music library on the web.
If you have an eligible Prime membership, you can stream and download Prime Music using the Amazon Music App. If you're not seeing Prime Music on your device, app, or account, make sure you meet the eligibility requirements, by going to Am I Eligible for Prime Music?
If the Amazon Music application is not pre-installed on your device, you need to install it. Search for the Amazon Music app (in Google Play or the Amazon Appstore), and then follow the on-screen instructions. For more information, go to the The Amazon Music Mobile App.
If you're new to Amazon Music, you can get started by playing music already stored on your device. You can also shop the Digital Music Store or import music from your computer through Your Music Library.
Note: Imported files count against your music library storage limits. For more information, go to About Amazon Music Subscriptions.
Music that you’ve saved to the cloud appears on the Cloud tab, and music stored on your device appears on the Device tab.
After you have the app, you can also install the Amazon Music app widget on your home screen. For older phones. press and hold on an empty part of a screen, tap Widgets, and then tap Amazon Music. For newer phones, tap Apps at the bottom of your home screen, tap Widgets at the top of your screen, and then drag the widget to the position you want. From the Amazon Music widget, you can play, pause, or skip songs on your phone. You can also use the widget to access your two most recently played items (songs, playlists, or albums), or to play songs in shuffle mode.