Make a AddRemoveSaUCE.bat file and copy the text from this GitHub into it then run it. If you want to use options 3 or 6, then your USB drive needs to look like this (assuming it's mounted as your H: ...
This is an unofficial guide to packing your own apps into an "Add-on Image" for use on AtGames' Legend Ultimate home arcade ... of the USB drive, then insert the drive into either USB slots on the ...