You have to use Pal Park.
No.
Mew can't lay an egg.
I did hear that you can get one by doing something on my Pokemon ranch for the wii.
you need a action replay that is the only way
yes, either migrate it from a gba game, or use the ar calculator code
Hack or trade.
It's Manaphy. In the Noational Pokedex it is Mew
You can't find Registeel in Pokemon Platnium. You just migrate it in Pokemon Ruby, Pokemon Sapphire, and Pokemon Emerald.
you cant catch it in platnium but you can trade it
There is no 'platnium', but you can find it on wild pokemon.
i only know that it for events only another way to get it is to use a cheating device pokemon heartgold and soul silver diamond pearl and platnium i think
the most wanted in this houshold is Pokemon platnium