It's an event-only item.
No you have to get it again.
It changes Rotom's forms, but it only is in Platinum.
To get the secret key, you can go to nintedo wifi and mystery gift there
Yes. The Secret Key is needed to open the Cinnabar Island Gym. The Secret Key can be found on a table in the northwestern room of the basement.
Go to the Team Galactic building in Eterna City, and in the ground floor room to the upper left corner. Face the small bit of back wall and press A to open a secret room. You can change Rotom's form there by examining the appliances.
No you have to get it again.
You can only get the secret key in Pokemon Platinum
you need wifi do get it!
well you need the secret key for team galactics HQ
Already happening............
You can't get the Secret Key in Pokemon Platinum without Action Replay, unfortunately. You can get Action Replay from most major websites.
No, you can't mix records in Pokémon Platinum in order to get the Secret Key from a friend.
stop being a Pokemon playin douche
The Old Cheatu.
obtian the mystory event
give him a secret key the different secret key the different rotom
check serebii.net for info on upcoming events for Pokemon Diamond,Pearl,Platinum.