I think consumption is equally important to creation because the latter cannot exist without the former.
Furthermore, too much focus on creation is even dangerous because it could lead to this "productivity hell" where you only evaluate your time in terms of productivity.
Actually, I want Memozora to be an alternative for Anki, so my app is somewhat similar to it.
My goal is to make a more friendly & intuitive version of it.
Yes, multiple choice would be a good feature to add.
I need to build something different from Anki, so having many types of quiz would be a good advantage.
Also, I will also think about adding dark mode in the future.
(For shortcut keys, you can actually press arrow keys to shortcut the mouse click.)