2500 words commonly used in JLPT N2 exams in just one application.Vocabulary is divided into 12 topics, each topic has 5 sub-headings.You can study by flashcard or quick test Japanese - Vietnamese or Vietnamese - JapaneseQuickly memorize unknown words, review them right at the main screen of the application.Dont forget to rate the application or give suggestions so that I can improve the application better ^^