How do you take notes on a tray?

Hi. I would like to make notes and overviews in writing on my convertible laptop. Speak with a pen, now I just can't find an app that is easy to write on.

Do you perhaps know one or do you have a tip? ☺️

Look here: https://www.heise.de/...55904.html

And here: https://www.heise.de/...08984.html

For example, OneNote.

I use Xournal ++.