For 1st generation Nexus 7 only. How to use Google Nexus 7 2012, 1st generation, shows you every app, every function and every setting for your stock Android Jelly Bean 4. 1. X and 4. 2. X based 7 inch tablet. Developed to run on Google Nexus 7 and other 7 inch tablets running 4. 1. X and 4. 2. X only. Features.