"Седьмой этаж. Год первый" is a free mobile app developed by Publish Digital Books for Android users. It is an education and reference app in the Books subcategory. The app is a romantic novel by Margarita Glazova, about a group of ordinary university students who happen to have extraordinary abilities. The story follows their everyday life, with its ups and downs, as they navigate relationships and friendships. The first book in the series is about finding personal happiness without losing a friend. The app has a simple menu that allows users to adjust the display settings to their device. The publisher, Digital Books, specializes in promoting classic literature and supporting new authors. They offer a catalog of over 270 books that are available on their website and the Google Play Store.