The PSP has excellent arcade runners and platformers that do have verified ISOs. Try these instead:
All of these have real, preserved PSP ISOs that you can legally rip from your own UMDs. subway surfers psp iso upd download link
If you specifically want to use your PSP and are comfortable with custom firmware, search for open-source runner games on GitHub (e.g., “PSP runner homebrew”). These are legal to download and install. The PSP has excellent arcade runners and platformers
Searching for that phrase leads to three common outcomes: All of these have real, preserved PSP ISOs