Neat! It would be nice to have the option to focus on a single content. It's much easier to learn things if you can go back and repeat, but repetition is prohi

Neat! It would be nice to have the option to focus on a single content. It's much easier to learn things if you can go back and repeat, but repetition is prohibitive if you have to do the whole world again. As a small comment, I went to click on a flag on mobile to see if I could see it bigger, and the name of the file came up, with the country's two-letter code, giving away the answer. I'd make it so the flag doesn't respond to touch/mouse events.