Android 4.4.1 update hints at Android Chromecast screen mirroring 'very soon'
Google released Android 4.4.1 last week, primarily to fix the camera in the Nexus 5, but as with many Android updates from Google, changes to the source code Google submits to the Android Open Source Project often contain clues as to what's in store.
Google Chromecast Android screen mirroring is on the way
Google Chromecast Will Begin Android Mirroring, KitKat 4.4.1 Code Reveals
Android devices may soon mirror their screen to Chromecast