Add a display function of each month and year to ranking.
Only the current version so far — new entries appear as the app ships updates.
Quiz "Pref. capital of Japan" is an education app by CodeDynamix with 5,000+ downloads (about 7.9K estimated). Released Dec 15, 2013. Install growth, rank history, SDKs and ad networks.
From the store listing: “Let challenge to quiz "Prefectural capital of Japan"!”