Only the current version so far — new entries appear as the app ships updates.
穴埋め問題簡単作成 - 暗記ツール作成効率化アプリ is a tools app by halzo appdev with 5,000+ downloads (about 6.3K estimated). +56 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “It is an application that allows you to create fill-in-the-blank questions by turning images into text, selecting characters, and hiding them. It is also possible to automatically generate a hole-filling plan. Since it specializes in the "hidden and remember" function, the operation is simple.”
