Only the current version so far — new entries appear as the app ships updates.
Walk & Mobile-コード化点字ブロック認識アプリ is a lifestyle app by Kanazawa Institute of Technology with 1,000+ downloads (about 1.6K estimated). +3 installs in the last 7 days. Released Oct 10, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “Android app for coded braille block recognition”