Kanazawa Castle AR Tour is a FREE app for iOS devices that allows you to experience the real-world environment of the castle and the town. 

With this app, you can search for buildings and find their basic characteristics, such as the location, construction date, and architecture. You can also find detailed information, such as a full-color illustration, floorplan, and other images. 

In addition, this application can be used as a reference for your study of the region.

There are two types of references in this app:

1. A short description, which can be used as a quick reference.

2. A link to a website, which can be used as a more detailed reference.