教員採用試験対策【教職教養】 - ランキングで競う効率学習 is an education app by dxapp labo with 1,000+ downloads (about 1.5K estimated). +47 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Master teaching ethics with sets of 5 practice questions! National rankings and a rank-up function keep you motivated. Analyze your weaknesses and bookmark your areas of difficulty for efficient success.”