English to Bengali dictionary is a free offline dictionary app that helps you to learn and memorize English vocabulary. This app is very easy to use and is available in both English and Bengali languages. 

You can search for both words and phrases and find out the meaning of any word or phrase, as well as how to pronounce it. It also has a built-in English to Bengali translator that allows you to convert words and sentences from English to Bengali and vice-versa. 

The app can be used and works offline, which means that it does not require an internet connection to work. It does not require any data to be downloaded and works on your device. You can easily learn and memorize new words by using the built-in word trainer.