in rustboro city
yes
Only if you trade a Pokemon and the Pokemon you obtained is holding it, but I don't know if that is possible.
in Rustboro City. finish the Pokemon League first ok?
On Two Island talk to the shopkeeper if you have progressed through the game enough he will sell timerballs as well as other items like repeatballs and lava cookies.
Pokemon ruby's version IS Pokemon ruby.
Pokemon Ruby has Pokemon that Pokemon Sapphire does not and Pokemon Sapphire has Pokemon that Pokemon Ruby does not.
ruby
Pokeballs, greatballs, ultraballs, masterballs, timerballs, repeatballs, nestballs, netballs, luxuryballs, and you can also have from ruby/sapphire/emerald premier balls and dive balls but the dive balls will not work in firered and leafgreen because you can't go underwater.
All The Shiney Pokemon You Can Get In Pokemon Ruby Are All The Pokemon You Can Get in Ruby Any Pokemon Can Be Shiney Even Starters and Legendaries. So There Are 200 Shiney Pokemon You Can Get In Pokemon Ruby.
You can trade from Pokemon Ruby to another Pokemon Ruby using a link cable.
Pokemon from the 3rd gen (hoenn region) are in ruby
you can't get the pokeradar in Pokemon ruby