CSSA

The CSSA is now available as a free download on Apple Store for both iPhone and iPad owners.The application is designed for use in English language. It weighs in at only 10.3 MB to download. The new CSSA app version 1.0.7 has been updated on 2015-08-20. For ensuring consistency with the device you should take into account the following app compatibility information: Requires iOS 8.1 or later. Compatible with iPhone, iPad, and iPod touch.
Bottom Line: For more information about CSSA check developer Yuan Zhou`s website : http://www.arcpi.com/cssa/