Let your phone be your best friend and keep all your secrets as secrets. You don't want kids or your friends to play any game or open any other applications without your permission? You don't want anyone to know about your hidden videos, images, documents or other files or you have some naughty or secret messages or don't want to remember your long passwords or want to store your sensitive information like credit card or bank a/c numbers?
The program restricts any unauthorized access on hidden data and files can not be opened by any other software whether it's F Explorer or any other. Compare it with other softwares for your satisfaction.