This app will be offered free to anyone with a suitable device to download. The app is designed to be a simple game to help users explore local history sites through the blue plaques (markers of special historical interest) that are in public spaces in Sunderland, UK. It is intended that the app will be educational, and used by anyone from age five years upwards. The app was designed by a student at the University of Sunderland, Shing Tse, who has given his permission for the app to be used freely.