Bin Dictionary is a free, offline dictionary application developed by BinBon Mobile for Android users. It is a comprehensive English-Vietnamese and Vietnamese-English dictionary with a clean and user-friendly interface.

This dictionary is a must-have for English learners, especially those preparing for TOEFL, TOEIC, and IELTS exams. It includes more than 300,000 words, phrases, and meanings, along with over 120,000 examples. The Vietnamese-English dictionary contains more than 35,000 commonly used words and phrases.

One of the key features of Bin Dictionary is the English-Vietnamese Talk, which offers 168 talks to help users improve their speaking skills in various topics such as habit, travel, food, daily talk, and animals. Moreover, users can click on the sound icon to hear the pronunciation of words.

The dictionary is designed with an easy-to-use tab UI, which allows users to quickly swipe between sections and find the word they are looking for with just one tap. Additionally, the History tab lists recently looked-up words, and the Favourite tab lists users' favorite words. Cross-look up is also available by tapping and holding a word in the word entry.

Overall, Bin Dictionary is an excellent tool for English learners looking for a comprehensive and easy-to-use dictionary application on their Android devices.