the app Tongo personal tutor will help you learn written and spoken English language will provide an opportunity to expand your vocabulary in an easy and relaxed fit will present the grammar, and you will be able to study at any time convenient for you. You will have developed a personal learning plan, according to your possibilities, and you can easily download ready-made lessons and learn without an Internet connection. Add new words for future learning in your vocabulary, read books in English, pronounce correctly and translate, moving from level to level.