Not until May :D
no.
Yes DS's are multi-regional.
Yes creselia is is in Pokemon Platinum.
vulpix is not in Pokemon platinum version.
No
no, these Pokemon are unknown in Pokemon platinum
The ID For Pokemon Platinum(USA) CPUE d074d1b3
yes but it is called Pokemon platinum
you can't
no you can not.
You can't, Mewtwo is not available in Platinum.