you have to receive a letter from professor i dont know when but try to beat the elite 4 first then try.
You have to get Oak's Letter then go to the route Past the Pokemon League. Haven't played is some time so i forgot the number.
Oak's letter was an event. You can't get it anymore.
Yes, you can transform Shaymin into a different form on Pokemon Platinum.
Yes, you are able to obtain Shaymin.
You can't. Shaymin only changes form in Pokemon platinum version. You get shaymin from a special event in Platinum and then you go to floarama town and get graciea flowers and give them to shaymin
Event
Yes you can...
Yes You Do.
no shaymin's sky forme is exclusive to platinum
YesYou Can Get Shaymin Sky Form In Pokemon Platinum With A Cheat Code That Is A Special Flower.
The only way to get Shaymin in Platinum without cheating or an event is through trading it with a friend.
You can get Shaymin in sky form only in Pokemon Platinum Version.
you have to get a real shaymin, the cheat shaymin's are really another Pokemon in discuse
you must trade shaymin from flower paridise in Pokemon diamond or pearl to platinum. then, go to the blonde girl in the middle of floraroma town and talk to her with shaymin in the front of you party. then equip it to shaymin and you have shaymin sky forme!