"Dvoynik. Dostoevsky F.M." is a free Android app developed by AllDigits Publishing that offers a convenient way to read Fyodor Dostoevsky's "The Double" on your mobile device. This app falls under the Education & Reference category and specifically the Books subcategory.

The app features a user-friendly interface that allows users to easily navigate through the book's chapters and pages. It also includes a search function that enables users to quickly find specific sections of the book. The app provides a seamless reading experience with customizable font sizes and background colors that can be adjusted to suit the user's preferences.

In summary, "Dvoynik. Dostoevsky F.M." is a useful app for those who want to read "The Double" on their mobile device. It provides a comfortable reading experience with its user-friendly interface and customizable settings.