This is probably unpopular, but I keep coming back to Microsoft launcher. The slide out drawer on the bottom is something I have gotten too used to.

Which Android does he have? I do see this happen a bunch, a kid will have a bottom of the barrel cheap Android phone (you don’t have cheap options of iphones) and hate Android, not the fact that it’s a budget $100 phone. Get him a note 23 ultra and he won’t have those issues. Then he can show off the spen features iphones will never have