Reasily - EPUB Reader by jxlab is a free Android application available on the Google Play Store, categorized under Education and Reference. It is an excellent app for book lovers who like to read in the EPUB format. The app provides a user-friendly interface that makes reading books easy and comfortable. The app is equipped with many features such as bookmarks, annotations, and data synchronization, which make it an ideal choice for those who read books for academic or research purposes.

The app's basic operation is simple and easy to understand. Users can add EPUB files to the app by clicking on the "+" button at the bottom. They can also open multiple books simultaneously and switch between them using the "Recent Apps" button. The app provides a variety of display options, including sepia/night themes, custom fonts, margins and line-height adjustment, text justification, and popup footnote position. Users can also scale text size with fingers using the pinch-zoom gesture.