Recently, Chitika's ad network released their own statistics showing that 37 percent of devices in North America used their site with KitKat installed. In April, just 10 percent of phones browsing Chitika's ad network ran KitKat. Chitika's statistic show that Samsung devices have the most KitKat users while Google phones were the first to get the latest update.
KitKat update and refreshed UI coming to Xperia Z, ZR, ZL, and Tablet Z
Android 4.4 KitKat on the Xperia Z, Xperia ZL, Xperia ZR, and Xperia Tablet Z brings better overall performance and UI optimization. But there’s more to the update, which starts rolling out today “in selected markets,” with more to follow in the next weeks.