Let’s analyze the typical "RDR2 PPSSPP Zip" file found on torrent sites and file hosting services.

While it cannot run on a PSP emulator, there are official and advanced technical ways to play the game on modern mobile devices:

Search for [Game Name] USA PSP ISO on legal archive sites like Internet Archive (archive.org) . Many public domain or out-of-print PSP ISOs are preserved there legally.

Many videos claiming to show "real" RDR2 on mobile are fabricated or show the game being streamed from a PC/Console via apps like PS Remote Play or Steam Link .