In "GreetingcardAR", you can embed 2 photos, word messages, and links to 2 web pages on your favorite cards.
If you post this information on your blog, you can update the contents at any time without changing the business card / card you gave to the other party.
No ARMarker required!
QRCode can also be printed on other than the front side of the card!
Depending on your ingenuity, such as the back side of the card, the envelope, and the cover side of the folded card!
See below for usage!
https://approx3.livejournal.com/tag/NamecardAR,Manual