This app introduces you to historical sites connected with Christianity and the structure of Hinoe Castle ruins and Hara Castle ruins, which are cultural assets to canditates World Cultural and Natural Heritage (UNESCO) candidate ""Churches and Christian sites in Nagasaki"". It offers detailed, on the spot information of major spots, and is equipped with the function to read AR markers to give explanations of historical sites. The Walk Rally function makes the educational look into Hinoe and Hara Castle Ruins even more fun and entertaining, while the Navi function allows the users to travel from a related site to another very easily. Furthermore, English, Korean, Chinese and French languages are also supported, meaning the app is also available to tourists from outside Japan.[Notice] It uses GPS Function to acquire position information. Warning: Battery consumption may be higher for acquiring position information on Map/GPS Function. Please practice due caution for your surroundings while navigating with this app on your mobile device.