Click this once or twice. Every player must have a unique MAC address. If two players have the exact same address, the server will drop one.
This method uses the phone's built-in hotspot as the network and the PPSSPP instance on the phone as the game server. adhoc server ppsspp
To understand ad hoc servers, we first need to look at how the original PSP handled multiplayer. Click this once or twice
Click and type the Host’s Public IP address . Match the Port offset exactly with the host. ULUS for USA
The player who will "host" the server must provide their IP address to everyone else.
Verify that everyone is using the exact same game region (e.g., ULUS for USA, ULES for Europe). Mixing game regions usually breaks Ad-Hoc compatibility.