It would be nice if there were some unscripted interaction talking about the Advanced content. This content is only around 2 minutes long (the annoying advertisements at the beginning take up nearly as much space as the content -- it might be a thought to shorten that somewhat, it gets really irritating). A native speaker of Cantontese and a fluent non-native speaker could do a really nice give-and-take on the content. It's not like you have to hit every word or grammar point, but even using the highlighted vocabulary in a few more contexts would be nice. This is really just a transcription of a short passage, which is currently "competitive" in the Cantonese market I suppose, but really isn't giving much value to students compared to what could be done.
There needs to be some discussion of the phrases and content of each dialogue.
What is the process of understanding the dialogue.
Listen without understanding for a while
Break down / parse each phrase and sentence.
Work on vocabulary / pronunciation
( not even attacking the writing part here ).