Reddit and forum threads from r/PSP and GBAtemp are filled with warnings: “I bricked my PSP trying to run a fake Subway Surfers homebrew” or “My antivirus flagged 15 threats in that ISO.”
You can output your PSP’s screen to a PC using a TV-out cable (PSP-2000 and 3000) or a capture card. Then, you play Subway Surfers on your PC via an Android emulator (like BlueStacks or LDPlayer) and watch the PC monitor. But then... you aren’t really playing on the PSP. Subway Surfers Psp Iso Download
The "Subway Surfers PSP ISO" rumor likely stems from a few sources: Reddit and forum threads from r/PSP and GBAtemp