Only the current version so far — new entries appear as the app ships updates.
テス友【JSTQB, JCSQE, IVEC】完全攻略 is an education app by VALTES CO.,LTD. with 10,000+ downloads (about 12K estimated). +55 installs in the last 7 days. Released Dec 2, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “Test friend [JSTQB, JCSQE, IVEC] complete capture is a qualification measures app that specializes in software test engineer qualifications.”