Only the current version so far — new entries appear as the app ships updates.
Safe Browser is a business app by アルプスシステムインテグレーション株式会社 with 1,000+ downloads (about 4K estimated). +3 installs in the last 7 days. Released Dec 19, 2013. Install growth, rank history, SDKs and ad networks.
From the store listing: “Safe Browser is a web filtering application for organizations.”