Back when Child of Light was announced, Ubisoft also announced another game using the UbiArt framework - Valiant Hearts : The Great War. From the press release -
The story of Valiant Hearts The Great War focuses on the journey of five people as they brave the battles and difficulties of the Great War following their faithful canine companion. The game is set in the Western Front, a crossroads between World War Oneís Allied and Central Powers and home to some of the Warís most intense military confrontations. All of the main characters are inextricably drawn together, and friendship, love, sacrifice and tragedy befall each as they help each other to retain their humanity against the horrors of war.
Here's the trailer
that reveals the release date - June 24/25 on PS3/4 and XBox 360/One.