Only the current version so far — new entries appear as the app ships updates.
요괴사냥꾼 키우기 쿠폰 is a tools app by HYUN WOO PARK with 1,000+ downloads (about 2.7K estimated). Released Nov 4, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “Show coupon information and send a push notification when a new coupon is issued.”