You may install some Android apps or games on your Nexus 7, but don't want others to use. A easy way is to hide the apps on your tablet.
How to hide Android apps on Nexus 7
* From Home screen, touch Google Play Store and go to install Go Launcher EX app.
* Open the app and there are all the apps installed on the screen. Tap on the menu button and then "Hide app" option. Check the apps which you want to hide and touch OK to apply. Now you can't find them on your tablet's screen.
Apex app and Nova launcher also let you to hide apps. Nova launcher requires the paid version and do that by going to Nova settings 》 Drawer 》hide apps.