Only the current version so far — new entries appear as the app ships updates.
１級土木施工管理技術検定試験 「30日合格プログラム」 is an education app by ReCorrect Inc. with 1,000+ downloads (about 2.4K estimated). +13 installs in the last 7 days. Released Feb 8, 2022. Install growth, rank history, SDKs and ad networks.
From the store listing: “Full-scale learning app for the 1st grade civil construction management technology certification test! Equipped with an efficient learning schedule and a mock exam that changes questions every time! If you have this, you don't need a reference book!”
