: Click Change PRO ad hoc server IP address and enter the Host’s IP .
This was local, peer-to-peer communication. It was you and your friends in the same room, your PSPs talking directly to each other via Wi-Fi radio waves. When you emulated a PSP on your PC or phone using PPSSPP, that physical proximity was lost. The "room" disappeared. adhoc server ppsspp
: A dedicated menu for configuring IP addresses, MAC addresses, and port offsets to ensure all instances can "see" each other. : Click Change PRO ad hoc server IP
enable the "Built-in PRO ad hoc server" if you are using a public one. Enable Packet Relay : (PPSSPP v1.17+) Turn on Enable packet relay adhoc server ppsspp