Many users are hoping to have Multiple users support on a single tablet, so they could share it with friends and family members. With the Android 4.2 Jelly Bean update, it is easy to get the great feature with a personalized setting and apps for each user on Nexus 10- and 7-inch.
How to add/delete new user in Android 4.2 Jelly Bean
* If the device is used by more than just two people, it is useful to set up multiple user accounts.
* From home screen, tap Setting > Users under Device option. The the owner of the device is listed at the top and others are listed with a blank section.
* Tap on "Add User" in the top right, follow the prompt and answer some personal questions. Then tap "Setup Now", follow the on-screen instructions and input information like Gmail account to sync, use location, attach photos and video. To remove one from tablet, go to Setting > Users, tap the trash icon next to your account.