How do you use Custom Course Editor? QA Team Updated October 21, 2016 05:40 Follow Please read about it here: Custom Course Editor Page. (https://iknow.jp/custom) Related articles What is Custom Course Editor? Can I share my custom courses with others? What kind of courses are available? Do you have any Japanese grammar/JLPT related courses? I want to study Japanese but I don’t know where to start. Comments 0 comments Article is closed for comments.