Between 850 MB – 1.4 GB (Compressed in .7z or .zip).
If you own the game on a PC platform, you can stream the actual game directly to your phone using services like Moonlight, Steam Link, or GeForce NOW (if available in your library). This gives you console-quality graphics on a mobile screen without draining your battery on local emulation. Alternative Mortal Kombat Games Built for PPSSPP
By following this comprehensive guide, you can enjoy playing Mortal Kombat 9 on your PSP device using the PPSSPP emulator. Happy gaming!