Anyone Knows how to use cheat engine in Rpcs3?

Hi all mates i was playing Super Robot Taisen Jigoku-Hen is fully playable with more than 30fps and i want to know if somebody knows to use cheat engine on it or use save files from net , i download some save files and i put in the folder i think is right but went i want to load i shows a japanese message and does nothing , the game is able to save/load and you can finish the game.

I hope somebody with more experience in codes can help me thx ^^