It's not nearly as polished but I had a lot of fun making it. It uses React and the now-no-longer-maintained https://boardgame.io/.
Uses the screen wake lock API if available (or falls back to a hidden video file if unavailable) to keep your screen awake. It's cross platform, zero-install tool with offline support which I use to keep my work laptop awake all day.
EDIT: since we're code golfing/bikeshedding, here's my own attempt, which matches the original proportions [1].
<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 192 192">
<rect x="4" y="4" width="188" height="188" fill="#f60" stroke="#fff" stroke-width="8"/>
<path d="m 57,47 h 15 l 24,50 24,-50 h 15 L 102,109 v 40 H 90 v -40 z" fill="#fff"/>
</svg>
[1] Actually, the original is slightly asymmetric -- the right leg is slightly narrower. I've "corrected" this, making the right leg mirror the left. m57 47h15l24 50 24-50h15l-33 62v40h-12v-40z
- The store not accepting your app because there are too many of the same topic (horoscopes, memes, sound boards, whatever-craft names, etc.)
- Spending lots of money on Google/FB ads.
- Spending lots of money on AWS.
- Burning out yourself and your friends.