Arabic - English is an Android app developed by eflasoft that offers a comprehensive set of tools to learn Arabic vocabulary. The app includes an English to Arabic dictionary with 151,000 words and phrases, and an Arabic to English dictionary with 118,000 words and phrases. The app also features an English to Arabic translator and vice versa.

One of the most notable features of this app is the wide variety of games and tests available to reinforce learning, including writing, listening, speaking, and matching games, and multiple-choice tests. The app also includes 2,500 common Arabic phrases used in daily life, irregular verbs, phrasal verbs, and flashcards. Users can customize their learning experience by adding words to their favorites and accessing them quickly. Additionally, the app provides a widget so users can learn without opening the app.

The app works offline and offers a speech recognition feature for voice calls, voice translation, and pronunciation tests. The app sorts the meanings of words according to the frequency of usage and gives percentage information. Users can also turn off one-way dialing and dial in either direction and their searches are sorted back to old and added to the "History".

Overall, Arabic - English is an excellent app for those looking to learn Arabic vocabulary quickly and efficiently.