The people at ZDnet were able to get some screenshots of Android 4.4 KitKat running on the Nexus 7 2013 model. Have a look.
Google has always been innovative while keeping names for its versions of android.(Ice Cream Sandwich, Gingerbread and Jelly Bean). Continuing the trend Google has unveiled the name of the next android version i.e. android 4.4 which is expected to launch in October. The codename for version 4.4 was Lime Pie.