yes
yes but you have to go to a Nintendo event a Nintendo event is a real world event Example: go to a game shop and bring a copy of a certain game and you will get a Pokemon in the game a Nintendo event takes place on certain days
GAME SHARK!!!!!!!!!!!!!!!!!!
Arceus is a special event pokemon. The only way to get it is to get it at a special event or to hack the game.
go to game stop or Wifi
Pokemon X and Y games do sometimes require you to update your 3DS because of a "game save" bug on some of the games.
pokemon events, or trade the event pokemon from a diamond/pearl/platinum game.
no UPDATE: What are you talking about? The question specifically said"after" therefore the answer is yes. >:)
Only in a game called Pokemon Blue Sea and its in the region of Faireno and the Pokemon mascot (u know the Pokemon on the cover, Lugia, Giratina, Palkia....so on) is KITSUNIKU the Flower Fox but the mew event is only on there its a new game which will be released in 2013 because of black and white. there is no Pokemon ds game with a mew event. i have the game cuz my friend works at Nintendo.
'Minecraft' has an update/modification that you can install and use, called 'Pixelmon' which allows the user to use Pokemon within the regular 'Minecraft' game.
you cant. it is in a place
An event or trade from another game
None but you can get it by a spacial event