You may not know this, but Android 4.4 KitKat has been on our radar for a looong time. Of course, back then we referred to it as Android 5.0 Key Lime Pie and we were initially audience to what turned out to be some wildly inaccurate speculation, claiming that it'll hit the industry as early as February/March...Source: http://www.phonearena.com/news/Android-4.4-KitKat-update-release-date-features-and-rumors_id47661
