Amid rumors of Android device.
Sadly, iOS and other mobile platforms were left out--Amazon did not release an app or Web compatibility for them.
With the Amazon MP3 app for Android, you can play, edit, or download music stored in the cloud. Music you purchase from the in-app store can be automatically backed-up onto your cloud and won't count against your storage capacity. Clear up some storage on your Android phone, and keep your music safe with this quick guide: