Not sure if its the same in your actual file, but the ones you pasted have different quotes. ” and ” and “. They need to just be ”

Here is an overview of the config files (it is a bit dull). But it does show how the retroarch files work with each other.
The only real difference between beta 2 that its based on and beta 4 is the location of the auto config files, but thats a small change really and easy to deal with.