If I am trying to check the quiz then it works perfectly see this: https://prnt.sc/sek3uc
Just you have to mark all questions after that submit the result.
The button in the unit page and the quiz page will be movable you have to move this button wherever you want: https://screencast-o-matic.com/watch/cYhXjbggOx
The member will be visible from only admin, It can’t be possible so that I have removed this.
Pay option will be work in the Finalization app because for that you have to create the wallet product, And the purchase will be work through google play console.
And I have Updated the App.
Here is your Updated app: https://bit.ly/3dyZ2ov
And I am trying to check why the white screen will have appeared after the splash image. don’t worry about that before finalization I fix that issue as well.