This git contains compiled rop scripts for launching the PKG Installer & SignUp Apps for PSVita's on 1.80 & 1.81.
Well, first off, you need a PSVita that is on 1.80 or 1.81. Next, you need any type of local server that can run PHP code. Once you have both of those, simply place these files on your server and connect your PSVita to it.
Vitasploit can call support_uri's via the WebKit exploits https://github.com/Hykem/vitasploit
Davee for creating RopTool and HTMLit
Hykem for giving a brief rundown on how to dissemble modules