I would love to, if I could :/
I only have one GBA, and since Porygon isn't available in Emerald I'd have to trade to get one. And I can't trade with only one GBA. :(
Unless you know a way to connect a game cart to an emu? Do you think it's possible with a link cable? If not, then there's no way I can do the BP... which sucks, because there are so many other BPs I want to do for myself but can't. Like Hasty Gastly with Counter, Cleffa with Softboiled and SToss, Chansey, Tyrogue with Double Edge, etc.
But I've been thinking about buying another GBA from online, along with an LG cart so I can do all these BPs for myself. I'm sure I can find some cheap carts and a cheap GBA somewhere. I have about $200 saved up, so it wouldn't hurt to spend a little :) But that's a maybe. So if there's no way to trade between emu and cart, then I'll consider this option and let you know if I go through with it.