Only the current version so far — new entries appear as the app ships updates.
公務員のライト - 公務員試験対策アプリ is an education app by AddMeta LLC with 10,000+ downloads (about 33K estimated). +97 installs in the last 7 days. Released Sep 6, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “A free civil service exam app covering everything from general national positions to police officers and firefighters. Includes past exam questions, current events, interview preparation, and borderline score predictions.”