Conquer Matsuyama Castle' is an educational app that encourages tourism and enhances enjoyment of one of the twelve remaining Castle Towers of Japan, Matsuyama Castle. Hovering a device over the designated AR spots in and around Matsuyama Castle will enable viewings of rare old footage and videos taken by drones that will enhance understanding of the castle known to be ‘impregnable’. ■Main functions■ １）AR Content ・Function to play AR videos about Matsuyama Castle ・Matsuyama Castle character ‘Y