This feature already exists. There's a bar underneath each explanation video which displays the question number, type, answer, etc.; you'll find the star toggle on the left side of this. Same goes for the analytics view.
You are not alone. I'm struggling with this as well. Although, I'll take it as a win, that I can generally get 100% correct. However, I'm like you, I only get 3 completed.
It's really great for training in terms of focus. Meditation teaches how to focus on the particular task at hand. It's such a crucial and foundational element needed for LSAT prep in my view. I only wish I did it a lot sooner.
@ABCDELSAT you can file a complaint online, just log in and glance around, I don't believe it is too hard to find, can always call LSAC if you can't find it (not sure if they take complaints of TC on phone