Only the current version so far — new entries appear as the app ships updates.
Fire Sign 〜1人で頑張る人たちのための集中アプリ〜 is a productivity app by naeno tengo with 50+ downloads (about 96 estimated). Released Jan 28, 2024. Install growth, rank history, SDKs and ad networks.
From the store listing: “A centralized app that connects people who work hard alone”
