1. Please make sure that you are using iframevide shortcode to embed videos in your units like this :
[iframevideo]iframe-code[/iframevideo]
example :
[iframevideo]<iframe src="https://www.youtube.com/embed/MFtX9ussRKk" width="560" height="315" frameborder="0" allowfullscreen=""></iframe>[/iframevideo]
2. Please goto wp-admin ->lms ->all courses and click on that star icon to make that course featured and have its featured image appear on home page .
refer : http://prntscr.com/jg27n6
3. replace the main_logo.png file in your ionic project -> src -> assets -> images folder .
delete the existing main_logo.png image and put your logo image with the same name as ” main_logo.png ” .
4. Well for that you need to edit or remove or add the pages here in src-> app-> app.component.ts : http://prntscr.com/jg29ai
refer :: https://ionicframework.com/docs/intro/tutorial/adding-pages/
https://blog.ionicframework.com/10-minutes-with-ionic-2-adding-pages-and-navigation/