Pinyin Chart · You will be able to check the "Pinyin Chart" used in Chinese textbooks. · You should swipe the screen to the right to be able to see the hidden part of chart. · The lower half part of the screen is displayed if you press the arrow button located in the upper right corner. · The four tones will pop up when you press each blue syllable. · You can hear the pronunciation by pressing the pinyin you want to hear.