Hours after the 2012 Google smartphone LG Nexus 4 began receiving KitKat update in India, the new Android OS update was also reportedly rolled out to the first generation Nexus 7 in the subcontinent via OTA (Over-The-Air).

India Nexus 7 (Wi-Fi + 3G) owner named Romario Fernandes was the first to report the news. He took to micro blogging site Twitter to announce his excitement of receiving the new OS update.

"Woohooooooo just got it! Just got the OTA for my nexus 7 Wifi+3g," he tweeted, along with a screen shot of the v4.4 KitKat notification. [To view the screen shot, Click Here]

Nexus 7 (2012) co-developed by Asus and Google was upgraded to the Jelly Bean OS v4.3 just a few months ago, and now with the 186 MB KitKat update, the Nexus tablet will get new features such as smart caller id, message grouping app - Hangouts (all MMs, SMS, audio, video notification will now be grouped under one roof), immersive display, inbuilt Japanese Emoji characters in Google keyboard, improved Quickoffice word document editor, NFC and wireless printing options, enhanced RAM management and performance.

As per various reports, the new KitKat update has also been rolled out to Nexus 4, Nexus 7 (2013).

Brief description of v4.4 KitKat OS update features:

Improved Caller-ID: If a caller receives a call from unknown number, the phone will look for matches on the net with local listings via Google Maps.

Priority Contacts: The new OS empowers the phone to automatically prioritise contact list for easy access, based on the frequency of the peoples' contacts to which users talk.

Immersive display: To enhance entertainment factor, the new  OS comes with immersive mode, where the status bar and navigation buttons disappear in to the back ground while you play music, games and read e-books. Users can just swipe the edge of the screen to bring back the utility buttons.

Enhanced Message grouping: Like Apple's iMessage feature, Google has brought in some improvements to the new Hangouts app and now users can find all their text SMSs and MMSs, audio and video call details all at one place. They also can share location and send animated GIFs.

Emoji Characters:  Initially users had to install third party app to use colorful characters in their SMS. Now, with KitKat, the keypad comes with native Japanese Emoji emotion icons.

NFC and Wireless Printing: Google's new OS comes with improved Quickoffice app where-in people can create and store word documents online as well as print files wirelessly on NFC-enabled HP printers.

Bluetooth MAP (Message Access Profile):  This feature enables android devices in cars with Bluetooth support to exchange messages.

Multi-tasking:  With efficient memory management, users can multi-task by opening multiple applications; Listen to music while you can browse through the net.  

Performance: With low system requirements, the new KitKat OS is expected to bring performance enhancements and also increase battery life.