Nope.
In sapphire you cant catch it without events or cheats:-)
You cannot catch a mew. You can only get it through events or cheats.
No, the only way is to do cheats or an event, and there are no more events for Pokemon Heart Gold because there is a new Pokemon game they are doing special events on.
sorry you cant you need an event or cheat or acton replay
you only can get them with cheats (i realy hate that with all that events and cheats =[ )
migrate
you cant
you have to have cheats there is no way to get shiney mew in platinum
no you must use cheats because mew hasn't been relaesed in America
no but you can if you have cheats
You can trade for them. That's all I can say.
dont no