Learn ChineseEssential Words is an Android app developed by PORO ZHŌNGWÉN. It is an education and reference app that focuses on building up Chinese vocabulary quickly and effectively. The app is suitable for beginners, intermediate, and advanced learners and offers more than 6,000 vocabularies with pictures and native speaker pronunciation. The vocabularies are divided into 10 practical topics and 145 lessons with various themes to enrich the learner's vocabulary significantly.

The app offers features such as flashcards, quizzes, listening tests, and games to help the user memorize and learn new words effectively. The flashcards have an effective review system that displays images and related meanings and has customizable speed options to support the user's memorization process. The quizzes are customizable, and the repetition of wrong answers helps the user memorize the words they have forgotten. The app is also suitable for learners preparing for HSK and those who want to challenge their level. The app is free, and the developers are open to feedback to make it better.