Controls are great. Those games controls translate so well to touch screen. Them being point and click games tapping is very natural. And instead of the arrow keys you just drag the screen around. Pinch zoom for more accurate tapping of small things or to zoom out for a better view of battles.
Its like they were made for touchscreens.
I think they are a little more playable on a tablet sized screen or a foldable phone but i played alot of bg1 on my old nexus 6 phone which had a 6 inch screen.
Kotor 1 and 2 play better with a controller like a playstation/switch/xbox control or better still a control like the gamesir that holds your phone and makes it look like a switch.
I need to correct my original post. Its kotor that inhave on my phone and jedi knight on the switch