Ill explain something..
when you remap with non-module program you put 1 space on 2 buttoms, BUT those 2 buttoms is working as 1 space! this means that if you pressed one of the buttom you cant press another because in fact you pressed space and while it pressed you trying to press one more time, thats why it doesnt working.
Here it change the game mechanic, it makes 2 spaces, for each buttom, and when you press any, it makes new response. So yea, lol, this makes it easier then usual remap, but lets think logically, if WA developers would add setting where you can put few spaces, would they make it so it works as one space? Sure, no! This is just as it should be, and that fr script actually just made remap working the way its must. Its not like this is cheating, its just usual remap programs working terrible on such case