Describe the bug

Got his feedback:

ThE kEyS aReNt ShOrT eNoUgH.

Expected behavior
The height is adjustable down to 6 %, for 4 rows of keys that covers 24% of viewport height in portrait. In landscape it is clamped to some other min. Maybe go down to 4% or 5% min, if the text still fits inside the keys? There maybe some extra tall ratio device out there.