I know there are similar products I could buy in the US that would give me this experience, but I'm not in the US and I don't have much money.
In the old days, my father had some kind of machine that was not a proper laptop and not a proper typewriter. It opened instantly to a text editor. As far as I remember, there was no noticeable boot time. It had a keyboard and an entry for a floppy disk. You typed your stuff, saved it to the floppy disk, probably to send via email or to print in another machine. I loved that machine.
I love these little gadgets that do one thing and one thing only. And, as someone with severe ADHD, they're often a necessity. If my Kindle had Youtube I would never read a book. If my PS4 had Emacs I would never play a game. The list goes on, but the principle is this: a lot of things are useful to me precisely because of what they cannot do.
And that is why I wanna recreate my father's crazy computer-typewriter.
Because I know how to use the command line, it really needs to be in total lockdown: I open it up, it shows a very simple text editor (with a few handy features that make it works even more like a typewriter) that I cannot configure, tinker or alter in any way. It's focused on writing (not editing) literature because that's what I need and other kinds of writing require an internet connection.
It would save and back up automatically (like a typewriter) to one or more drives at your choice.
There would need to be a few options because of different screen sizes, the number of screens etc, with an interface to make it easier.
So the idea is an ultra-minimal, kiosk-mode Linux distribution that can either go on a flash drive or be installed on an old laptop. No package management, no internet connection, no access to the command line, no configuration files, no distractions whatsoever. I wanna forget I'm even using Linux. I wanna recreate my father's typewriter/computer that he never let me touch.
How do I do this?