Only the current version so far — new entries appear as the app ships updates.
中学受験算数|究極の平面図形<相似・面積比> is an education app by Wonderfy Inc. with 100+ downloads (about 204 estimated). +3 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “This middle school entrance exam math app teaches similarity and area ratios through 100 carefully selected puzzles. With just 8 techniques, you can uncover hidden shapes.”