This is an educational program developed by the Confucius Institute at the University of Valencia which allows to prepare the official Chinese level test HSK from examples of examination issued by Hanban.
The security report has shown that this application is totally safe. Sonotrigger Software is the developer of the app that can be found in the Educational category. The developer released a new version of the tool on Jan 4, 2018 and over 10K users downloaded and set up HSK-III.
People rated this application 4.5 on Google Play. There are ads in the app. Take the opportunity to download the .apk setup package of HSK-III 5.0 free of charge and read users' reviews on Droid Informer. The installation package requires 42 MB of disk space and it can be launched on Android devices 4.0.3 and above.