Shinies in Gen 1 games were incredibly rare, as they were actually Pokemon with perfect IVs, transferred to Gen 2 to reveal.

The best GBA games are getting easier and easier to find ... Not least of all is Rayquaza, the game’s flagship legendary Pokemon who remains a huge fan favorite to this day.

[Selim] is hard at work on Lanette’s Poke Transporter, a hardware and software solution for bringing Pokemon from the first and second generation games onto the third generation GBA games.