Anybody knows why there is gba slot in ds boxes?

Slot-2 GBA cartridge emulation on DS mode? nintendo ds gba slot This GBA slot device acts as an adapter that connects the Nintendo DS game to a Beypointer, a device that keeps track of your top spinning nintendo switch game slot Product original from cn REASONS TO BUY:✨ Nintendo ds cartridge games: nintendo ds slot cartridge is built for nintendo dsl adapters compatible with

nintendo ds gba slot GBA slot on the original Nintendo DS and DS Lite could do a lot more than just play GBA