I'm planning on updating my Gameboy, I'm pretty sure I want to go with a 3DS and I'm fairly sure I'll be going with the DSTWO flashcart. Last time I purchased a cart was about 4 years ago and I purchased the wrong one and it didn't play 80% of the roms I had. I purchased an M3 pro not an M3...
every game i have thats 4mb will play fine, anything 8 or 16 wont work. i'm trying to play gba files on a gba sp if that helps the troubleshoot. also wiki was down for me last time i tried to go there and search wont work due to too few characters in m3...