Well, I've seen the latest video of their platform and yes it is so simple to understand because we/you have the choice of what you want to do with the change. This is the link where I've seen the video
https://www.youtube.com/watch?v=QJxjZKIDxXA.
I don't find it understandable without voice, why the guy who uses their clover they didn't explain what he's doing, in term of image, it's good quality, but they need add voice to make it professional.