It's springtime, and cloud music apps everywhere are in full bloom. The Spotify  app for Android 4.0, er, Spotify à la mode, is officially out  for dairy dessert powered smartphones everywhere. Since its preview launch  in mid-April, the app's picked up a few new features including play queues, folder support, and "scrobbling" from Last.fm.
Meanwhile, Amazon's  cloud player app--Amazon Cloud Player--has made its way over to iOS . The app, first available for Android, is now ready for download on an iPhone or iPod touch. Users can stream music directly from their library on Amazon Cloud, and organize songs in playlists.
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