GBA Slot Cover Nintendo DS Lite

This video shows you how to install gbarunner2 to you nintendo ds flashcart and use it to play

i'm trying to decide what i want to do to play my DS games and GBA games, and i'm wondering if it's better to go for a single system,

nintendo ds lite gameboy slot There was no Slot 2 Cartridge included in the package and I have tried inserting a regular GBA Cartridge, in case it needed some data from it,

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