Hi Visitor,
Before clicking, please make sure that you've read about A User's Guide on the Home page. It is important that you do know what you are doing here and what kind of help you may need. Message me your enquiry or pop in an email instead, I am happy to answer you.
An introduction video in Chinese:
I will do an English version of Introduction later in this month (if I do have some day-offs). The function of screen recording on the Mac system is good, I'd say, really helpful. I found surprisingly that you could even edit the recording once it's finished.