Flashcarts are indeed primarily used for playing roms, but homebrews are a nice too.gblock247 said:R4DS does what the primary function of all flash carts does...Plays DS Roms. Period, and don't gimme this "we only use it for homebrew"...Bullsnot! Everyone knows why we use flash carts 99% of the time, to play DS roms. So R4 does its job and does it well. end of story