TuneIn Radio may have made users wait patiently for Chromecast support, but it's here at last. Not only that, there are bits of Material Design sprinkled throughout the latest version of the app as well.
You have your updated menu button that rotates into a back arrow, Play Store style. When you tap the drop-down menu, the corners have been rounded off. The navigation bar stays black, but the status bar is tinted.