doubt on mame4all games

[Javier Sandoval]

Hey guys i just have a doubt, i downloaded the mame4all romset as i noticed the fba wont have games as sinistar,robotron and so on, once i got the roms, i place them in the mame4all folder, and restarted recalbox, but i dont see them, its there something i have to do? thanks for any help. im using pc version

[Javier Sandoval]

anyone? please help