You can also choose songs and playlists to save for offline playback on the app. Finally, the media player can stream music through Chromecast and AirPlay devices (such as Apple TV), though you'll have to shell out $5 for the feature as an in-app purchase. Otherwise, the app is free and up right now on Google Play -- DoubleTwist says it's "launching on Android first," so the player might head to other platforms in the future. A quick glance at the early reviews, however, shows that it's having issues detecting music from OneDrive. The company says it's a "bug with Microsoft's OneDrive API," and it's already taking steps to fix the problem.