Only the current version so far — new entries appear as the app ships updates.
シンプル体重管理 is a health & fitness app by otak-lab with 100,000+ downloads (about 167K estimated). +97 installs in the last 7 days. Released Sep 11, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “Start with two weeks. You'll be amazed at the changes you'll see in the graphs. A variety of unique items, such as morning and evening weight, blood pressure, and muscle mass, will support you in all aspects of building your ideal body.”