All I know is what is on the blog page:

"Meanwhile, Ubisoft is readying the launch of Valiant Hearts: The Great War, a stylized adventure game for PS4 and PS3. In Valiant Hearts, players witness the intersecting lives, loves, and tragedies of several characters involved in the horror of World War I. See how these stories intertwine, and how brave men and women fought for something larger than themselves."

I haven't read much about it, but it looks really good. 

I had almost forgot about this game. Looked really cool and yes I do believe it is set during WWI. They should make more WWI themed games.

From what i've seen looks like it'll pull hard on the olde heart strings. I'll most likely pick it up someday for the art style alone.

Yea! I've been anticipating this game since the beginning of the year. I can't wait. I'm getting it on XBLA.

it's tuesday alright but it's not on the PSN store yet.  I guess it won't be up until they update in the afternoon like they usually do.  I bet it's on Xbox already though.  I wish it was on Wii U.

I saw the title screen had a dog on it so I passed. I'll look into it later when it goes on sale. Plus I still need to finish Valkyria Chronicles.