学研ライブラリ is an Android app developed by Gakken Co.Ltd. It is a free e-book viewer designed specifically for accessing and reading various educational and reference materials provided by Gakken.

Upon launching the app, users can seamlessly access and read a wide range of content that is linked to Gakken's services. The app supports the EPUB3 format for e-books, ensuring compatibility with a variety of educational resources.

It's worth noting that 学研ライブラリ does not include any store or payment functionality. Instead, it focuses solely on providing a user-friendly interface for accessing and reading educational e-books.

With its intuitive design and extensive library of educational resources, 学研ライブラリ is a convenient app for learning enthusiasts who want to access educational and reference materials on their Android devices.