Development of a Book Recommendation Service for Implementation on Android

This article discusses the theme of creating the service that specializes in accounting for reading activities. The purpose of the research is to create methods of classifying and sorting literary works that can be integrated into any literary digital resource to expand its functionality. The created service is an Android application, which provides functions for keeping a reading diary and creating literary recommendations based on works added to the user's personal library. One of the complementary options of the application is the feature of expanding the literature base by scanning ISBN code of books that are not in the Google Books database.