A Question?

[DrakeX2]

Could you put GBC games on a GBA Flash Cart? Then communicate with the GBA while playing the DS game?

Also whats better R4DS or Supercard?

[DanTheManMS]

I really have no idea what you're trying to say. The only way to run GBC games on a GBA is to use Goomba Color, which does not emulate the link port at all. There are other GB emulators for the GBA, but none of them emulate the link port either.

As for R4 vs Supercard DS, both work fine for most purposes. The Supercard DS requires a slightly faster microSD card, but aside from that they both have their own benefits and are both good produtcs.