http://www.demo-it.net/demo-games-ps3/
How I can put my demo games for ps3?
You have to go to the PlayStation Store on your PS3 or PC. If you download PS3 directly to a folder in the game menu. If the PC can transfer them to a USB or SD and MS Pro and transfer to the PS3 that way.
God of War 3 Playstation 3 PS3 Games Live Demo Amazing Gameplay High Quality