You can use the .bin files already.
I don't know about .sub files, but I suspect they subtitle a foreign language version of the game you have. I've had them before, but cannot remember they did anything for me. Nor did I know how to use them.
.ecm files needs to be unencrypted before you can use them. Go to emuparadise to get the tools. I can't give you the internet extension nor links since we're not really supposed to be linking to blacklisted material. Though searching for:
in Google should give you good links.
