Board Thread:Game Discussion/@comment-32841549-20180222204710/@comment-26388545-20180223030800

RandyMc wrote: I've tried "keep screen on".

Didn't work for me. My device still went to sleep, even though it appeared the screen was on. All programs closed.

Apparently works differently for different devices. There might be some place in settings where you could turn that off. If it's turning everything off then it sounds like power saving to extend battery life.