Слово дня толковый словарь is a free Android app developed by Ads Projects Group LTD. The app aims to help users learn the exact meanings of commonly used Russian words. Originally an iOS app, Слово дня толковый словарь is now available on the Android platform. The app provides accurate definitions of words from authoritative sources such as Dahl's and Ozhegov's explanatory dictionaries, Wikipedia, and other credible sources. The app also features a bookmarking feature that allows users to save their favorite words for future reference. In addition, the app's developers promise to add more useful features in future updates. Слово дня толковый словарь is perfect for anyone who wants to expand their Russian vocabulary and develop a better understanding of the language.