ACHT

The ACHT is now available as a free download on Apple Store for both iPhone and iPad owners.The application is supporting English language. It is a whopper, weighing in at 30306304, so make sure you have plenty of free space on your iOS device. The new ACHT app version 1.0 has been updated on 2015-11-10.
Bottom Line: For more information about ACHT check developer Xuehai Yang`s website : http://www.300.cn