What is the Harry's Hub application, how does it work?

According to the introduction of CPL Online, Harry's Hub is a Business app on the Android platform. There is currently a 1.0.1 version released on Dec 04, 2017, you can see the details below.

The Harry's Hub application has everything you need to tackle your training. Take your courses on your mobile, send & receive messages, access bookshelf resources and so much more.