60 Percent of Android Devices Now Running Jelly Bean
As you're no doubt aware by now, Google releases monthly statistics related to the fragmentation of its Android operating system, and these provide a helpful look at just how the various iterations of the OS are coming and going in the present-day ...
Android 4.4 KitKat now on 1.4 percent of all Android devices: Google
Android in December 2013: KitKat, Jelly Bean on the rise
Sony Xperia Z1 Expected to Get Android 4.4 KitKat in Early February