In Pokemon Emerald you have a higher chance of finding shiny pokemon than any other game(including Diamond and Pearl).Pokemon Emerald has a RNG(Random Number Generator) that can make the chances of finding a shiny pokemon from 1/8192 to 1/200.This only works on pokemon you can save in front of.For more information go to www.youtube.com and search for Every way to find a shiny pokemon every method revealed and go to Kakkadragon's video.