扣子

If you are iPhone and iPad owner,you now can download 扣子 for free from Apple Store. The application is designed for use in English language. It is a whopper, weighing in at 16868352, so make sure you have plenty of free space on your iOS device. The new 扣子 app version 1.5 has been updated on 2015-07-16.
More Info: Find more info about 扣子 in Guangzhou Weiming Zhongzhi Educational Science Co., Ltd.`s Official Website : http://kouzi.cnweike.cn/attach.html