Leo privacy guard is an application which is used to hide all the private files and application. This application is also used to lock various other applications so that no other person can check out anything. Leo master is an internet service provider. Leo master name was from internet based phrase ‘link everything online’. Leo privacy guard is a first product launched by Leo master. This application is a security based app. This application is basically launched for android and IOS. This application is very easy to use.