Only the current version so far — new entries appear as the app ships updates.
英単語パス (単語レベル診断搭載) is an education app by PlaySquare Inc. with 10,000+ downloads (about 12K estimated). +1 installs in the last 7 days. Released Feb 28, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “The definitive English vocabulary app”