I have the following suggestions. This is based on my use of Google forms for my team. If you create a Google Form, you have the ability to review answers for each individual as well as a whole. You can review each of their answers whether it is multiple choice or essay.
1) Can you add the functionality to view the answers of learners to check how they responded instead of just showing the total score like this?
2) Also add the ability to review answers of Essay submissions. Below is screenshot of a Google Form essay question