There’s some diagnostic info when in game through the battery sidebar menu, I think. You can use that to see frame rate and other performance benchmarks.

I usually just google or YouTube some way to improve whatever game I’m playing on deck. Usually, someone has already done the leg work to figure it out.

I do this, have ADHD, not autistic. My sister is, and I think I have shades of it, but I think this is more ADHD.

It’s run well for me. A little hiccup with text entering, but that’s standard.