Screen Transparency Lock

If you set the opacity to 0% , the entire screen
If you forget the password , enter the password , so covered with a transparent button group ,
If he did not know how to use well , can be embarrassing .
Applications using my ' preview' function must be used , then please check your transparency .

- Provides the following features -

The phone lock feature provides transparent .
You can set the transparency .
Provide a password hint feature .
The widget provides the ability to easily turn on and ON / OFF.