最上級β 英単語 ブラクストン is an education app by Ryota.K with 5+ downloads (about 8 estimated). Released Jun 24, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “2,000 carefully selected words at the CEFR C2 level of 16,000 to 18,000 words are included. All functions are available, including premium mode.”