While the DS is getting an Attack on Titan game, KOEI is going to making one for the PlayStation 3, PlayStation 4, and PlayStation VITA. The working title is just Attack on Titan, but I'm guessing we'll see a subtitle to it as it nears launch.
The game's not going to be out until 2016, but KOEI's released a teaser trailer. It looks like they are doing a cell-shaded style game, which looks really close to the show. Hope it's a good one. For now, check out the teaser.