Redu seems like a good tool :)

Using it on Window 11 the cursor keys are a bit too sensitive. If I tap a cursor key once it moves two positions - so two files down, two files back, etc. To select an individual file or folder can be quite fiddly.

Press and hold works differently from tap, but in both cases moving one position is a bit tricky.

For example, navigating a Linux repo I start at the root, hit the right key, and I see the /var/ /srv /etc flash past, but I can't stop there as a single push is like a double tap of the cursor key. Redu can only show me /var, I can't see what's in /srv/ or /etc at all - there's no way to navigate to it.