There is an android app called touch lock which I use for this on the odd occasions my 2yo daughter watches youtube/netflix It's a bit hacky but kinda works (n

There is an android app called touch lock which I use for this on the odd occasions my 2yo daughter watches youtube/netflix It's a bit hacky but kinda works (netflix doesn't like stuff floating over a playing video so you have to set touch lock to lock in 10 secs then press play, there's a sort of knack to it. Also it doesn't lock the power button so sometimes that accidentally gets pressed and I get asked why did it stop? :) ) If there are better options out there I'm all ears!