We have checked your topic in our app customization . Please reply here for any customization: https://wplms.io/forums/topic/dantes-customisation-request/
Also, we are tried to log in to your site from given cred which is provided here: to https://wplms.io/forums/topic/dantes-customisation-request/ But we ate unable to log in so that we are unable to edit any unit page.
Also, we need a test course and test unit where we can use our video shortcode so that you can see the Videos in-unit page In the APP.
If you want any changes like batch and chat reply on customization page regarding that they will enable those features for you.
Also, try to create a different topic in different forums according to the issue.
refer these: https://wplms.io/support/forums/forum/wplms-live