To load the converted Resident Evil 3: Nemesis game onto your device, you need custom firmware (CFW) installed on your handheld. Installation on PSP
The file is the converted PlayStation 1 (PSX) version of the classic survival horror game, optimized to run natively on the PlayStation Portable (PSP) and PlayStation Vita. In the PSP architecture, an EBOOT.PBP file serves as the main executable format for homebrew applications, official PlayStation Network (PSN) digital downloads, and custom PS1 backups.
Move your file directly into that specific folder: ms0:/PSP/GAME/RE3_Nemesis/EBOOT.PBP
Create a folder named specifically for the game, such as RE3_Nemesis .