"Japanese Castles Tour" is a Android App, which can browse information of castles in Japan.
You can select a castle from list of the regions in Japan.
You can select a castle from the Google Map.
You can download the stamp image, at about 1km from the castle.
You can view castles position by using camera view.
Added stamp of Katsuren castle and Zakimi castle.
Added nawabari(ropeoff) map of Katsuren castle and Zakimi castle.