Guest mode
Use Guest mode when you let someone else
use your phone. They will only be able to use applications that you’ve
selected. You enter Guest mode by drawing a specified guest pattern
on the Lock screen that is different from your normal lock pattern.
Tap the Guest mode switch 
to toggle between On and Off.
Set pattern: Tap to create unlock screen pattern for Guest mode.
Set apps: Tap to select the applications to be viewed in Guest mode.
Help: Displays information regarding Guest mode.