In the past, during the Proto-Three Kingdoms period, there was a country called Jinhan in the Gyeongsang-do region. Apdokguk was one of the small states that made up Jinhan, and was located in the area of ​​Apryang-eup, Gyeongsan-si, Gyeongsangbuk-do. Through this application, users can check out various historic sites of Abdokkuk that existed in the past.

Launch the application, go up to the rooftop, and look around as if looking through a telescope. You can also meet characters symbolizing the region among the pins floating at each key location.