Some few games work on RPCS3 Emulator (Tutorial). To play this game you need a PS3 Console: PS3 Hacking guide. Use latest Winrar to extract the first part and get the iso/rom. Solve Captcha to see links and eventual Password.
Now go to Google Play Store or Apple Store and download Z archiver because I have provided a highly compressed download link for God of War 3 PPSSPP ISO Zip file.The PSP emulator will thereafter be successfully installed on your mobile device if you let it.
If a popup from an unknown source appears. Because this is a PlayStation Portable game, you’ll need a PSP emulator. How to Download God Of War 3 PPSSPP Zip file ISO