May 22 2009
Secret Key - June 8th to July 19th 2009
Pokemon Platinum was released throughout Europe this week and now information about the Secret Key for European players has been announced. The Secret Key will be available via Nintendo Wi-Fi Connection from June 8th to July 19th 2009. Only the secret key lets you change Rotom's form in Pokémon Platinum.
Source: http://ms2.nintendo-europe.com/
