Suby is a free video player that is optimized for learning language conversations. It is based on the principles of immersion, so you can learn a language by watching and listening to your favorite videos. It is the most effective and simple way to learn a language. You can use it to improve your listening skills, pronunciation, and grammar. You can also learn vocabulary by watching movies. 

The main idea of Suby is to let you learn a language by watching and repeating the most common sentences in that language. So if you want to learn English, you should watch English movies and videos, as well as listen to English music and talk with English people. The app will help you improve your listening skills and increase your confidence in speaking English.

Suby is the best way to learn a language. You can use it to improve your pronunciation, grammar, and vocabulary. You can also use it to improve your memory and concentration.