Google has announced Android 4.1 at Google I/O.Google will make Jelly Bean available for the Motorola Xoom, Galaxy Nexus and Nexus S in mid-July.
Some new features of the Jelly Bean:
Project Butter- to improve the overall speed and performance of the mobile operating system.
offline speech recognition
camera app improvements
enhanced Widget organization -automatic repositioning and resizing
Notifications can now be interactive