I played both White and X at the same timePlaying Pokemon Black & Heart Gold (not at the same time though)
Going back to the older remakes/games. I would play Pokemon Fire Red on my Dstwo flashcart since it can play it, but it's slow fps
I don't know it you are lucky of not XD Maybe the second one XDPlaying Pokemon Ultra Violet
>Receive starter Pokemon
>Off to get Oak's parcel
>Encounter Shiny Pidgey on the way