0.61 works but i cant get it to save. Do I need to make a .sav file?

Thank you so much! okay after doing this all that happens is that my games either crash the ds and turn it of or show a black scrren. I am using the VGA floppy files, do i need to use different source files for monkey island 1 + 2 or DOTT or Sam and max (these are the games i have tried.

I have followed the online guide to the letter but I get a zip file check not in use error I dont know if I have used the right files do i use the scummvm-a.gba.ds directly form the scummvm archive i downloaded and rename that? Do I convert the files to scummwithdata-a.gba.ds then rename them? what ...