Eye Protection & Tease Friends

==Eye Protection==

Eye protection function will lock the screen when continuously using the device after specific time period. This way can prevent user using the device so long that would cause harm on the eyes. In the state of locking, user still can unlock the screen if necessary.

==Black Messages==

You can designate a friend and lock his/her screen with your words on it within a specific time period.

==Advanced functions==

Advanced functions need to be subscribed, these functions can let you set the password and use it to control multiple functions.