Google: How to clone pokemon in pokemon emerald. Be warned, this may ruin the fun for you, and it does work. Be very very careful. Think of it as a last resort, once you have had all the fun you can in emerald, then use this cheat.
Unduplicatable ItemsThe only Items you can't duplicate in Emerald are Mails, because you can't store a Pokemon holding Mail into a PC. You can't clone any Key Items either.
it is impossible to do that unless you start the game over again and don't collect the item you don't want
Items can not be doubled in Fire Red. There is a massive glitch in Emerald which allows mass production cloning of items however, and its possible to trade between Emerald and Fire Red if you wish to try.
Unfortunatley it is like emerald no you will not gain exp by battling in the battle frontier however you can get rare items and berries
You can only breed pokemon, not items. Items aren't alive!
dont care
there are a few items , but the Pokemon SMEARGLE is inside
You can't duplicate items unless you use a gameshark
you can't get jirachi in emerald, only by Nintendo events, they give out special items that helps you get rare Pokemon.
you can go to fortree city then find a house which is sort of sorted out like a mart. talk to them and they will sell you items. another place you can buy items is oon the roof top of the mart in lilycove when the clear out sale.
YES, duplicating Pokemon and items, going to moon etc
click on the pokeball in front of you and it should be an item
Some of them contain items.
As far as I know there is no code for key items.
Google: How to clone pokemon in pokemon emerald. Be warned, this may ruin the fun for you, and it does work. Be very very careful. Think of it as a last resort, once you have had all the fun you can in emerald, then use this cheat.
You Can't. only in emerald can you clone stuff.