Only the current version so far — new entries appear as the app ships updates.
ぎょうせいの電子書籍 is a books & reference app by 株式会社ぎょうせい with 1,000+ downloads (about 2.6K estimated). +5 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “This app is free.
I can perform scaling of the page, and display of the thumbnail of each page.”