I have my laptop mounted next to my monitor. A monitor arm of any sort that works for your budget/space, and something like this: https://www.amazon.com/VIVO-Adjustable-Compatible-100x100mm-Stand-LAP4/dp/B07S3259MB/ref=sr_1_7?dchild=1&keywords=laptop+vesa+mount&qid=1598875997&sr=8-7
It looks like the Myx touchscreen bracket is standard VESA 100 size (typical of most TV mounts). I may give this iPad mount a try: https://www.amazon.com/VIVO-Adjustable-Compatible-100x100mm-Stand-LAP4/dp/B07S3259MB