Asus Transformer Pad (TF701T) - Manual (Page 86)

ASUS Tablet E-Manual 
App Locker
App Locker is a security app that prevents selected apps and files from being
opened.
Using App Locker
To use App Locker:
1. On the Home Screen, tap then tap
App Locker
.
2. Tap Start, set up your password then tap OK.
3. Tap OK to proceed to the App Locker screen.