He just laughed at the question, never gave an indication one way or another. Don't let this get your hopes up in anyway.
Nintendo has stated that the only GBA games to come to the 3DS VC are the ones that the Ambassadors got (and only for ambassadors at that).
When it was mentioned, they said they had no plans to release them except to Ambassadors. "No plans" doesn't mean "never".
Hence why I said: Of course this could change. Read the full post next time.