Security
Press 
(HOME), then select [All Apps] - [Settings] - [Security].
Hint
- You can also open [Settings] by the following procedure.
Press (HOME) and 
(MENU), then select [System settings].
Screen lock
Set to require unlocking the screen each time you turn on the Smart Stick.
Owner info
Set to display the owner information on the locked screen.
Make passwords visible
Check the box to display passwords when you enter them.
Device administrators
Set whether to enable device administrators.
Unknown sources
Set whether to allow installation of non Google Play applications.
Verify apps
Check to block installation of applications that may be harmful, or to warn you before installation.
Trusted credentials
Displays trusted certificate authority (CA) certificates.
Install from storage
Installs an encrypted certificate from the internal storage of the Smart Stick.
Clear credentials
Clears all certificates or credentials from the credential storage, and reset the password for the credential storage.