古燈文庫 - 掌中閱讀必備利器 is a mobile e-book reader tailored for reading "ancient classics". It supports vertical layout, simplified and traditional Chinese characters, and customizable page layouts to faithfully present the unique typesetting styles of the books.

The user interface is simple and intuitive. The "bookshelf" feature allows users to save their added works, supports synchronization of reading progress across different devices, and provides tag-based organization. The "library" offers a wide selection of curated ancient classic books, with support for keyword search and popular rankings.

For an immersive reading experience of ancient classics, the app offers a dedicated vertical layout for traditional Chinese characters. The reading interface supports multiple page flipping effects, adjustable fonts, line spacing, and customizable headers and footers. With multiple font options and a night mode, it is a great companion for studying.

The app also offers offline caching, allowing users to continue reading in areas with no internet connection or unstable networks. Users who want to save mobile data can also opt for the data-saving mode.

For technical support and customer service, users can directly provide feedback to the customer service team through the app, and they will receive support in various aspects within 24 hours.