You can only do that in gen 1, red, yellow, and blue, or go to an event, or cheat.("'\(o.o)/"')
you can't catch it without the cheat.
you can.But you need the ticket to go there.
you cant
there no cheat to catch mew in pokemon ruby
no you can not catch mew unless you use poke transfer trade or event witch I don't know when the next one is.
you can catch it in mt.cornet no cheat
no but you can migrate from a GBA game if you have a DS lite
get a ameshark for gba and get sapphire
cheat
Don't cheat then. The only ways to get Mew is to go to a Nintendo Event or use a cheating device. Unless if you have Pokemon Yellow/Red/Blue, there is a way to catch Mew without cheating.
there is no such thing You can use an emulator. Unless you think that is a cheat, Happy playing!
Nope, sorry. Only available via game shark or glitching