Very well the Google has announced the much awaited android 4.0 ice cream sandwich OS for android Mobiles. from Last few day we have been getting lots of peeks through the leaks, but now its time to get your hands on the official copy. As the SDK for the Android 4.0 aka Ice cream sandwich is now available for download.
Android 4.0 Ice cream sandwich is a major release in the whole android family; it is the best of both worlds (android 2.3 gingerbread and android 3.0 honeycomb). This release contain some major improvements and new features such as completely redesign new user interface, better multitasking facility, improved notification system, NFC support and finally facial recognition technology used to unlock the device.
One more thing to be noted here the introduction of android Beam which is NFC based sharing system, where you can just tap two NFC enabled device to share content with each other.
Some limited app also have been introduced with the release including the people app integrated with Google plus
For detail information please read below post
Android 4.0 Ice Cream Sandwich : Everything You Wanted To Know
You can grab the SDK from here. Download Android 4.0 Ice Cream Sandwich SDK