Only the current version so far — new entries appear as the app ships updates.
クラウドホン is a business app by クラウドテレコム株式会社 with 1,000+ downloads (about 3.6K estimated). +11 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Achieves "free extension calls" between smartphones and incoming / outgoing calls with 0AB-J numbers on smartphones with the "Cloud Phone" application installed.”