KOCA:最好用的Kpop小卡周邊、ACG收藏品交易平台 is a shopping app by Assetflow Co., Ltd. with 50,000+ downloads (about 80K estimated). +2.3K installs in the last 7 days. Released Aug 25, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “It integrates various collectibles trading communities, and also features an illustrated catalog, historical transaction prices, and an electronic collection album.”