This tool will work for all GTA 4 episodes like Gay Tony, The Lost and Damned, and normal GTA IV
How To Use Tool: Copy GTA4 Game Save from PS3 to PC
Start Up Application and Open The Game Save Folder
Edit Game Saves however you like
Save All to save every changes to have made to the save files
Copy back to PS3 and you should be good to go.
Red EyeX32, the download link worked and got it on my WinRAR, then I tried opening it, it kept stopping. I have 4.0 Framework and I have no idea why. I download this last year and it worked, but now, it doesn't. Please help.