The HannsNote2 is such an interesting piece of tech I am extremely interested it's one of those situations where its just one or two features away from being a killer product IMO.

Having a back/frontlight, bigger battery and faster CPU could turn it into the ultimate tablet for what I'm looking for.

I can settle for weaker CPU, I'd need to try it in person to test whether I can live without a light (hard to know just how much ambient light you need to use it indoors at night comfortably) but the battery I think is too short especially if you factor in natural degradation too. For me it means I'll always be worried about charging it or tethered to a cable and spontaneous usage always requires diligent charging. Stuff like train journeys and plane rides are all then also dependent on the power bank

What's the idea about SSH?

I planned to use the tablet to connect to a tmux session and mirror a shell session on my laptop. I could then type on the laptop but use the RLCD display.

Not a crazy idea, but might look a little weird.

I’ve had a reMarkable 1 for a few years, and even had fun hacking it [0] but ultimately it’s too restrictive and slow for what I ended up using for, which was reading and annotating PDFs away from my desk.

[0] https://blog.afandian.com/2020/10/pipes-and-paper-remarkable...

I believe the HannsNote can serve as a monitor as its running android or am I mistaken? What's the benefit of tmux over it behaving as a regular monitor?

That would be better, I’m sure. I’ve not looked at what’s available. I’d prefer to avoid using a Google account, so limiting myself to F-Droid.