A free app for Android, by Alexander Kondrashov.

The free English-Russian Dictionary is a comprehensive and easy-to-use dictionary app. It is an offline dictionary and does not require a Wi-Fi or mobile data connection. It can be downloaded and used for free, with no advertisements or in-app purchases. It is designed for English and Russian speakers and contains more than 200,000 dictionary entries, with translations, examples, idioms, transcription, voice acting, and irregular verbs. The app can also be used to search for the translation of a word or to learn more about a word’s definition, pronunciation, synonyms, and example sentences. It can also be used to listen to the pronunciation of a word.