Only the current version so far — new entries appear as the app ships updates.
単虎自動イベント is a tools app by DRIVESHAFT with 10,000+ downloads (about 16K estimated). +6 installs in the last 7 days. Released Aug 15, 2014. Install growth, rank history, SDKs and ad networks.
From the store listing: “Uratora event support app.
※ after the event started, will be release after 1 to 2.”