What do you do in pokemon platinum?

Question

What do you do in pokemon platinum?

Answer 1

There is just new stuff in platanium, thats all.

Answer 2

Platinum is the 3rd of the 4th gen series, like Emerald was the 3rd game of the 3rd gen series. It's just like Diamond and Pearl with a slightly altered plot and new, improved features.

Answer 3

theres 7 new pokemon if you are counting giratina origin form and shaymin sky form the other five pokemon are to be evolve from other 5 pokemon using items