You can write letters to your friends. Just put a message on the mail. Give the mail to one of your pokemon, and trade with a friend.
Chat with our AI personalities
Sapphire is better, but yes, emerald is good.
Raltz! :D
Torchick is a good Pokemon if you train it right anything should work
Pokemon you can get with the good rod are: TENTACOOL, MARILL, MAGIKARP, CHINCHOU ( under-water ) and CORPHISH.
its not an emerald its RAYQUAZA the main legendary Pokemon in Pokemon emerald.