孙美琪疑案:周静中国版 is a free game available on the iPhone platform. The game revolves around the mysterious death of Zhou Jing, who was found dead at the Wang Aiguo factory. Zhou Jing's sister, Zhou Fang, believes that her sister was murdered and takes it upon herself to investigate the case. As she delves deeper into the investigation, she uncovers various clues and strange items in her sister's apartment. The game is set in 1991 and offers a complex storyline with multiple interconnected cases.

Please note that the game is best experienced on the latest devices such as iPhone 6S, iPad Mini 4, iPad 5, iPad Air 2, iPod Touch 7, or higher. Users with older devices like iPhone 4S or iPad 2 may experience lagging graphics.