Is the app Moments? https://webcache.googleusercontent.com/search?q=cache:pJcZ58dp-QQJ:https://zh-cn.facebook.com/help/moments/146530935875521/%3Fhelpref%3Dhc_f

Is the app Moments? https://webcache.googleusercontent.com/search?q=cache:pJcZ58dp-QQJ:https://zh-cn.facebook.com/help/moments/146530935875521/%3Fhelpref%3Dhc_fnav+&cd=2&hl=en&ct=clnk&gl=us https://webcache.googleusercontent.com/search?q=cache:pJcZ58... From that google cache, Moments is called "彩色气球", which means Colorful Balloons. That Chinese version help page is gone. So we can rely only on google cache :)