Company Yan Zhang created these great apps:
Simple Chinese for travelers, Simple Chinese for Autumn, Simple Chinese for Autumn -- Small Quizzes, Times Table in Chinese, 1st Grade High Frequency Words, Chinese Flashcards Set I-II, Traditional Chinese Flashcards, Chinese Word Test, Traditional Chinese Word Test, Chinese Opposites, Letter to Santa - A kid Chinese learning book, First Grade Challenge Words, Chinese New Year Eve Dinner, Learn Chinese from popular luxury brands, Mandarin Pin Yin, and others..