games i plan to play don't care about latency, which solves most of your problems :) but this+obs+a webapp for input+ydotool to pass the input to dosbox. then

games i plan to play don't care about latency, which solves most of your problems :) but this+obs+a webapp for input+ydotool to pass the input to dosbox. then i can just open a page on the browser on the phone.