幕末維新クイズ 維新の志士たち is a trivia game by Sekimosoft LLC with 1+ downloads (about 4 estimated). +4 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “A history quiz with 1900 questions to learn about the patriots of the late Edo period and Meiji Restoration. Includes maps, performance analysis, and review functions.”