Дьявольские близнецы is an Android app that is part of the Open Book series, created by Digital Books. It is based on the novel of the same name by Elena Khisamova, and it is a free app that falls under the Education & Reference category. The app is an author's screenplay of the book, which tells the story of horrific and mysterious events that took place over many years in an ordinary family, whose head was involved in the creation of a human cloning technique.

The app's interface is simple and easy to use, allowing readers to customize the display settings according to their device's specifications. Digital Books is a publisher that specializes in promoting classic literature and supporting new authors. They have released more than 270 books in the form of mobile applications for Android devices. However, the app does not contain any reference to contact the developer or any personal information requests.