Why don't you just try playing after configuring before asking about that?
We have very good video tutorial en youtube, that should be more than enough.
ian57, thank you, I use Win32DiskImager to burn the img on my SD. Just inserted card on RPI and everything worked so far, I paired 2 PS4 controllers, there is a liitle bit lag, but I think is ok
Hello rockaddicted. Thanks for help, but I could not use the external scrapper. See the image below... when in terminal, which command must be used to return to recalbox?