@typhlosion you can stick an FTP server on the 3DS and transfer games files that way, fwiw
not familiar with the modern DS flashcart scene, but I dunno if it's as lively as others these days
@sugar @Skirmisher as ive said elsewhere, it would be nice to have a flashcart that can work with my old red phat ds. for the 3ds, it would mostly just be for the sake of having an sd port i don't have to unscrew the backplate to access