If such a file exists, it is likely a primitive homebrew clone or a different game disguised with Subway Surfers branding.
Ignoring the warnings and downloading files from untrusted sources can lead to serious problems:
Alex's eyes widened as he read through the thread. He had always wanted to play Subway Surfers on his PSP, but it was never officially released for the console. He quickly grabbed his laptop and started to download the ISO file.
