Jam City: Who: Jam City, a Los Angeles-based mobile games studio, in partnership with Warner Bros. Interactive Entertainment’s Portkey Games, a label dedicated to creating new Wizarding World mobile and videogame experiences that place the player at the center of their own adventure, inspired by J.K. Rowling’s original stories. What: In the hit mobile game, Harry Potter: Hogwarts Mystery, players have their first opportunity to create a character and attend Hogwarts School of Witch...