You would need to trade with a friend who has Mew or anyone else.
You cant you only get one ( without action replay )
Without Action Replay or PKMN Sapphire you can trade with PKMN Emerald.
trade from another Pokemon emerald game.it is the only chance to obain another starter without action reply
Action Replay.
Not any more without Gamesharks , or an Action Replay if your using a Gameboy
action replay might have something
Trade from Pokemon leafgreen or firered
Put it in you ds and use action replay
Buy an Action Replay at a store.
yes
$#@! no
palpark from sapphire,emerald or ruby