Suggestions:

1. Make UI language English by default.
2. Text is hard to read, especially when the background wallpaper is visible. Even on the generic white pages, try increasing the font weight. The grey texts are significantly less visible.

Might be back with more suggestions after I've explored more of it. Kudos!

He meant that you may be taking more input than is given, so the program waits for input when nothing is left to input