Okinawa City Stamp Rally 对比 RailTimer 的使用情况和统计数据

Let’s collect stamps by visiting places where events took place in the postwar history of Okinawa City! Such history unfolded in this street? This is an app that turns Okinawa City wholly into Histreet. （This app uses GPS, WiFi in the background. So, battery life will be lower than when not installing this application.）