Download: http://itunes.apple.com/app/id620295343?ls=1&mt=8 Descriptions: Chinese rocks are falling down to destroy your land. Speak to the microphone to issue commands to fire missiles. Eliminate the attacks and protect your homeland! Features of the game: * 38 levels of over 1000 kinds of rocks * intelligent speech recogniser to recognise your commands Speak to defend! Note: When you are in a noisy environment, plugin your earphone with mic for better speech recognition. PROMO CODES: (1) 3P9YHHPHNWWR (2) MX9YXWAKMNKH (3) NL9R7KNJ63FK (4) LMYHE3L6NPNY (5) WNYRXLRJJYE4 (6) 9NJ6N3FTFF76 (7) L3NKE9EJN3LE (8) A9WHYYYXTAMP (9) JFYEPR9RTEME (10) YPPLTTHTMLLH
Used 9NJ6N3FTFF76.. Will try it out with a friend learning Chinese ( if I understand the premise correctly )