You might also want to try a keyboard like one of these:
I have had several people with mild to moderate tremors have a good success with these keyboards. Each key is four times larger than normal. It makes it much easier to hit with some jitter.
I used this course from U Pitt with one of my coworkers as an accountability buddy. After completion I bought flash cards from amazon to make sure I was ready. After felt ready I gave the flash cards to a different (not my accountability buddy) coworker.
I passed on first attempt. My accountability buddy never felt ready to sit for the exam. The person I gave the flashcards to use those and her real world experience to pass the test on the first exam.
Few options. 1. If you have a Mac - plug in the iPad and go to QuickTime - screen record - and select the iPad. 2. Use something like https://www.airsquirrels.com/reflector - you put it on a Mac/W does pc and air display the iPad to the computer. 4. OBS. but warning - it kills your iPad battery and if the device sleeps you have to restart the app. But you’ll also need a machine powerful enough to deal with the video capture. 4. Don’t. “capture, store and forward” that bit https://acecentre.org.uk/news/remote-working/
I'm not 100% sure about this but I think you can run Android apps on Chrome OS. If so you could try Voice Access from Google. It's still in beta, has been for years, but it worked well last time I tested it. https://play.google.com/store/apps/details?id=com.google.android.apps.accessibility.voiceaccess