Only the current version so far — new entries appear as the app ships updates.
素数を数えろ is a tools app by ASTRAL UNIT with 100+ downloads (about 213 estimated). Released Apr 5, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “You can count from the top screen in order to prime and traced down.
Please use when you want calm.”
