Alexis
状元
Not sure if the market is large enough to justify, but I saw this set of Cantonese readers that might be good potential additions to Pleco:
www.howtostudycantonese.com
Our Cantonese story books | How to study Cantonese 粵塾
Professional writing Cantonese story books with narrations and romanizations(Jyutping and Yale). Get one and start learning Cantonese fun and easily.
www.howtostudycantonese.com