This game is for the DS system, but can be played on the 3ds.
This thread is for discussing the experiences you have on this game.

My duelist is named Trunks Truesdale, he is in post game.
He just lost against Helios from one of the card shops.
One of Trunks's cards in his deck is Flamvell Guard, a dragon tuner with 100 atk and 2000 def.