the code is
420259D80001
0001000C0004
420259DA5212
0000000C0004
you need a action replay
yes; but one at a time
Nope. All you have to do is type in the code on the Internet into your Gameshark.
9595967474893886157864875610764305136571056409645786754265964906978456579456175974199999999047734897635768745678465874454567454545678456747854965675765675579745745764576547676763767673687976534351667548957642784695049658967948649659467589463587456368735465435675656536765756537854364537890
yea
Yes
There is it comes with the action replay automaticly it is the all 900 poke balls code press L+R and go to pokeballs and 900 of all pokeballs should appear
For what game?
a158facff9990562347
Yes, it is the code for all types of pokeballs that already was on the AR cartridge
All the GameShark codes for Pokemon Ruby are on the website provided in the related links section.
As far as I know there is no code for key items.