I'm sure. But my raspberry pi 3 can barely run Hass without overheating. (had to remove adguard from the same device because that made it overheat a few times a week)
Maybe when I upgrade it to a proper home server, I'll look into replacing my Google home speakers.
Technically, yes, iPhone users can set up custom icons, but it's a faf and a half to set up, because you have to use the app Shortcuts and I believe it only works on your home screen, not in the app drawer.
And for those that prefer old reddit: https://old.reddit.com/r/LinusTechTips/comments/15t1mzn/mandatory_meeting_the_after_madisons_departure/?rdt=35142