Only the current version so far — new entries appear as the app ships updates.
그랑삼국 쿠폰 is a tools app by HYUN WOO PARK with 5,000+ downloads (about 6.5K estimated). Released Aug 31, 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.”