If a file is only a few hundred megabytes, it is definitely not the full console game (which is over 30GB). If you'd like to try a similar legitimate survival game on Android, I can recommend:
The short answer: PS3 emulation (via RPCS3) requires a high-end PC with a powerful CPU. Even flagship Android phones are years away from running PS3 games at playable speeds. Do not believe YouTube videos claiming to run real PS3 games on Android—they are almost always fakes or remote desktop scams. the last of us ppsspp zip file download for android
To address your request directly: The Last of Us was never released for the PlayStation Portable (PSP) , which means there is no official file that can be run on the PPSSPP emulator. en.wikipedia.org If a file is only a few hundred
An open-world zombie survival game with heavy base-building. The Walking Dead (Telltale) Do not believe YouTube videos claiming to run