no
you can't
you cant dumb dumb
you can't. plain and simple
You can't get new Pokemon into old games. Lucario is a 4th generation Pokemon and emerald is a 3rd generation game.
action replay might have something
not without a game shark or action replay but you could trade from emerald or sapphire.
No, Jirachi is only available by Nintendo events or by cheating.
You put the Game Shark on your Gameboy Advance SP.
Get a game shark.
yes you can catch a Manaphy on emerald. (if you have a game shark)
You have to upload it from FireRed, LeafGreen, Ruby, Sapphire, or Emerald.