I've always wanted a portable old PC gaming device. Mostly because I hate looking at old games on big HD modern monitors. I like my pixels on an itsy bitsy screen. I ran across the GPD Micro PC and thought it might be what I'm looking for. I'm mostly interested in playing old CRPGs. Would this device be appropriate?

I find it preferable to GPD's other devices because of the included touch-pad. I'm also tempted by a small screen 2 in 1 tablet but that are so many that I don't even know what to consider.

Depends on what you mean by 'retro'. If you want to play old games in their original format, that was written for old hardware and operating systems, it wouldn't be very feasible to use a Windows 10 PC to play them. If you want to play old games, but go for the GOG versions of them that where made to run on modern OS's, it would be more feasible, if you just want to play old games that don't get hampered by the low performance of a Celeron N4100 or Intel UHD Graphics 600. Spec-wise, it could run the AAA games from 2007.

*edit: for those wondering what it's about: https://www.gpd.hk/gpdmicropc
I assume you meant this one, Squidkip?

Yep that is the one.

I'm mainly interested in playing the GOG versions of the AD&D Gold Box Games, Wizardry, and the Might & Magic RPG Series. Being able to run 3d games from 10 or so years ago would be a bonus.

Those games usually don't have a UI adapted to high DPI screens - so you won't be able to play them at native resolution (text would be unreadable).

And I can't imagine it to be pleasant to play games on that tiny keyboard & touchpad...

While I don't have an answer, I am really curious about this too. If the GPD is not good because of the text-size/resolution issue, is there any particular tablet that is good?

I didn't say it was no good - maybe you don't even care about playing those games at native resolution. That option doesn't even exist for old 2D games....

I think I misunderstood what you are saying.

You meant "native resolution" in respect to the microPC's native resolution, NOT the native resolution of the game itself, correct?

Yep!
(I've never seen the word 'native' used to describe the single fixed resolution of an old 2D game.)

My experience is basing rather on GPD Win (played on both 1 and 2), but those devices are belonging to similar family (at least in terms of tech specs, differences are rather about built-in "controllers and size).

I'm personally very satisfied when it comes to games like Avernum series (I've played and finished both Avernum 2 and 3 remakes on GPD Win). However, I didn't tried to play in some "real-time" cRPGs or strategies (those may be a bit troublesome since built-in controllers, no matter if we're talking about GPD Micro or GPD Win, wouldn't be so efficient as "stationary" mouse).

One thing of worning - resolution. Some older games (esp older windows game) can have issues with native resolution of GPD devices (picture is partially cut or game doesn't launch at all). I've usually dealt successfully with such problems with DxWND or dgvoodoo, but it's better to be aware that such thing can happen. And of course some more "capricious" old Windows games which don't like modern versions of Windows.

But overall - it should be a good choice. I personally don't like touchpads and prefer to move cursor with other peripherials (in GPD Win thumstick is used for this purpose, I'm not using touch screen because I don't like touch screens in general). But if it's your preferred way, then probably it should be a good option.

Thank you for the clarification! Was just checking to be sure. My vocabulary is not always on point.