This is an AR application using RICOH Clickable Paper
service which has powerful recognition..
http://www.ricoh.co.jp/software/other/clickablepaper/
Lets capture target images by pushing camera icon and then you can enjoy many kinds of contents. Also you can save the links in "collection" box.
http://www.ricoh.co.jp/software/other/clickablepaper/
You can test its feature by capturing following PDF image:。
http://cp-service.sakura.ne.jp/demo/topimage.pdf