Play GTA VCS Multiplayer Or Any Game With PPSSPP Full Tutorial.

This tutorial will teach you how to play games like Grand Theft Auto - Vice City Stories Using Multiplayer Mode To Play With Friends 

This Method Uses Wi-Fi and works cross platform between iOS and Android.

I tried to make it as simple as possible being that the steps are different for the person hosting and the person joining the lobby although very similar. 

It is recommended to check out there wiki posted in the app in Network settings.