A free program for Android, by Language Course S.L..
This app is one of the best Korean vocabulary trainers for learners of all levels, from absolute beginners to advanced learners. You will learn Korean vocabulary by practicing with flashcards, listening to audio, and repeating sentences.
Flashcard learning will allow you to practice the memorization of vocabulary and phrases, while listening-only mode allows you to listen to audio only, without seeing the words or sentences. The audio files are of high quality, which will allow you to improve your concentration and memorize the words more easily.
The accelerated learning method is based on the latest research on the subject of memory and learning, and it utilizes the psychological effects of repetition and review.
This Korean vocabulary learning application includes a dictionary, in which you will find the most common words and phrases as well as their English translations.