normally, booting up this game will cause it to stop working after you choose whether to have it auto-save or not. it will give you a black screen and freeze.
However, if you hover over the game rom on the supercard menu, select "Set Patch", disable "Patch Speed", and press save, then the game works with no problems.
on a completely random note, i've noticed that GTA DS plays and looks almost exactly like another gba game that i've played. it wasn't from the gta series at all, cause gta advance was 2d, and this played exactly like a gta game. but sadly, i can't remember the name of it...
However, if you hover over the game rom on the supercard menu, select "Set Patch", disable "Patch Speed", and press save, then the game works with no problems.
on a completely random note, i've noticed that GTA DS plays and looks almost exactly like another gba game that i've played. it wasn't from the gta series at all, cause gta advance was 2d, and this played exactly like a gta game. but sadly, i can't remember the name of it...