HSK Vocabulary for Hanyu Shuiping Kaoshi (Chinese Proficiency Test, 汉语水平考试). - HSK Level 1, 2, 3, 4, 5, and 6 (Levels 2, 3, 4, 5, and 6 are available with In-App Purchase) - Chinese words in both Simplified and Traditional forms, along with pinyin and English definitions - Listen to word pronunciations - Bookmark words for quick reference - Add notes to words - Share words and associated notes