Android 4.4 KitKat operating system has been officially announced along with the newest Google Nexus series smartphone, the Nexus 5.
The new OS version will be rolled out by Google in the next few weeks to the following devices: Nexus 4, Nexus 7 (2012 and 2013), Nexus 10, Galaxy S4 and HTC One Google Edition. You’ve probably noticed that the Galaxy Nexus is missing from this line-up and for a good reason. Android 4.4 upgrade will not be coming to the over two years old Galaxy Nexus. Development has stopped.
If you want to know whats new in Android 4.4, watch the following Android Developers video.