"Aichi was! Navi" is a smartphone target apps that mainly used in the event such as Rogaining and ska venture hunt in Aichi Prefecture. In addition, Aichi Prefecture, through these events, it has become particularly content to introduce the charm of the Chita Peninsula. The main function, introduction of each point, which is the rule of Rogaining, depending on the function and courses such as photography can be displayed, such as scoring results. In addition, even in non-Rogaining, there is also a mechanism, such as stamp rally. Aichi Prefecture, Enjoy especially the charm of the Chita Peninsula in fully.