EngHacking - Hack Não 4000 Từ Vựng Tiếng Anh 2022 is a free Android app developed by Genius Software Ltd. It falls under the category of Education & Reference and is designed to help users learn English in a smart way. The app is based on the proven Israeli learning method and has 180 English stories and conversations to help users learn the language in context.

The app includes 4000 English vocabulary words divided into 6 levels, making it suitable for users of all levels. Additionally, the app offers free audio listening exercises to help users improve their listening skills. The app also features 3 vocabulary exercises to help users memorize the words more effectively. Overall, EngHacking is an excellent app for anyone looking to learn English in an intelligent and effective way.