道路王 - 国道・高速・道の駅の地図クイズ is a trivia game by KazuTaka.biz with 5+ downloads (about 7 estimated). +1 installs in the last 7 days. Released Sep 25, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “A road quiz where you identify national highways, expressways, and roadside rest areas on a map. Learn geography and trivia using a map of Japan, perfect for driving enthusiasts.”