I think the Bigscreen Beyond is the best you'll get for that application this year: https://www.bigscreenvr.com/ https://www.bigscreenvr.com/ Probably not yet

I think the Bigscreen Beyond is the best you'll get for that application this year: https://www.bigscreenvr.com/ https://www.bigscreenvr.com/ Probably not yet high resolution enough for it to make sense, but higher than most alternatives, and the comfort and portability should be good.