This is the IncognitoBrowser, it lets you to browse the web leaving no trace. This browser have no history, it is save from hackers and virus.
To install this app you need to have Chrome browser on your computer then youdownload the zip and unzip it. Then you save the folder inside. After that you go on Chrome and type chrome://flags into the url bar and enable Developer Tools experiments in it. then you go to chrome://extensions and click load unpack and then you cick on the folder and the app will install.