This is the most stable way to play with friends in the same house or on the same network.
integration, a community-developed plugin that was originally created for the real PSP to enable internet play. 2. Components of a PPSSPP Ad Hoc Setup adhoc server ppsspp
Download PPSSPP from ppsspp.org or your app store. Version 1.12+ has the best adhoc support. This is the most stable way to play