I just figured out how to change Shaymin into its sky form you have to give a gradecia flower that a girl would give you to the north of jubilife city.
To get giratinas original form you have to get an item in the torn world after you fight cyrus. TIP:Save the game before you face giratina or you might never cach it again.
Also there are 2 new characters which are a police men or i think its a detective that spies on team galactic and a new scientist that i think works for team galactic.
Another thing there is something for rotom he can now turn into different shapes.His forms are that he can turn into a fridge,lawn mover,washing machine,fan,and an oven also his status changes like grass type or fire or water
Here are some screenshots some pictures might be in Japanese.
This is a game for nintendo ds lite and it has new story lines its almost related to pokemn diamond and pearl so it has a lot of new stuff like the wi-fi plaza the battle frontier and more about giratina and shaymin also the game is coming march 22,2009