The PSP (and by extension PPSSPP) can run PS1 games if they are in the PBP (EBOOT) : The file must be an : Place the folder containing the on your storage.
While downloading a ROM file of Resident Evil 2 Remake PPSSPP zip file can be a convenient way to play the game on a device that wouldn't normally support it, it's essential to ensure you own a physical copy or have obtained it through legitimate means. Resident Evil 2 Remake Ppsspp Zip File Download