rom into it, and then use your DS with that cartridge to launch the. With that said, you can use such a Flashcart to load a. This homebrew usually comes in the form of roms or similar. Homebrew software is software developed by the community to be used on certain device or environment. A flash cart is an special cartridge which allows the use of homebrew in the DS. However you need some special hardware.įirst you need a Flashcart.