He will put both gems in the network machine which when operational will allow you to trade between ruby, sapphire, emerald, colosseum and xd gale of darkness.
You give it to Celio
yes
FireRed. If Ruby, Sapphire, and emerald you must have Ruby and Sapphire gem and give it to celio in one island
You can do this after you find the Ruby and the Sapphire for Celio in Pokemon FireRed. then you can trade with Ruby, Sapphire and Emerald.
Nothing to do in Ruby. Just find a ruby and a sapphire in leafgreen or firered and give them to Celio.
visit all the different islands and give celio the ruby and sapphire.
Connecting to Emerald as the same conditions as to Ruby and Sapphire. You must have completed the 7 Islands (Giving Celio the Ruby and Sapphire).
if your talking about it in leafgreen of firered version pokemon, take it to celio, and he will take it and tell you to get a ruby also, then you are able to trade with ruby, sapphire, and emerald games.
No, but you can trade aron from ruby to fire red by beating the elite four and getting the ruby and sapphire and giving them to celio
you can, the person with the fire red or leaf green needs to win the game then get the ruby and sapphire and give them to the professor that is building the machine to trade with ruby and sapphire games on island one
give it to celio
You need to give Celio the ruby and sapphire gem, the ruby is in mt ember and the sapphire is in dotted hole but when you get the sapphire you have to go to five island and go inside the rocket warehouse and defeat a scientist who stole the sapphire from you.