After a bunch of comments pointing out to the fact that my GNOME touch issues were linked to Ubuntu, I did another try, on Fedora, this time, and yeah, it's MUCH better.
I also gave a shot to Plasma Mobile (excellent), and Phosh (less excellent on a big screen):
@thelinuxEXP
Thanks for the follow up video!
I use Phosh on my StarLite V and the OSK is appropriately sized for the width of the screen in portrait mode. The scaling of OSK seems to be based on the scaling of the screen and I don't think it likes scales except 100%, 200% etc. It's a little funky but way more usable than what you experienced!
Nick @ The Linux Experiment
Josh 🐧 ☕ 🇬🇧