Here are Android 4.4's Main Features
- The new phone app now automatically prioritises the users' contacts based on the people they talk to the most.
- Users can also search for nearby places and businesses, contacts, or people in their Google Apps domain directly from the Phone app
- If they get a call from a phone number that is not saved in their contacts, the phone will look for matches from businesses with a local listing on Google Maps.
- Android 4.4 brings a new unified messaging app, with Hangouts getting SMS and MMS integration, in addition to offering instant messaging through Google accounts (erstwhile Google Talk). Hangouts now also allows users to share their location and send animated GIFs.