Getting started with lock screen widgets on Android Jelly Bean
Earlier this week Google released a new line of Nexus devices along with a small update to the Android operating system itself. Android 4.2 Jelly Bean includes a few new features for both smartphones and tablets alike.
Android 4.2 Jelly Bean lands on Nexus 7
Android 4.2 update hitting Google Nexus 7 & Galaxy Nexus
Google Nexus S won't be upgraded to Android 4.2