The Watch Dogs companion application, ctOS Mobile, has been updated to include compatibility with the upcoming Wii U version of the open-world title. The app makes it possible for users to connect to players from any Watch Dogs platform. It also includes challenges that can be customized and sent to friends. And those who successfully complete the challenges will receive XP and skill points. Watch Dogs hits Wii U on November 18th in North America, followed by a November 21st release in Europe.