He doesn't go into how to customize app icons, but points out there are Ionic resources for this.
Something to look into...
Also, note that ./resources/README.md says:
These are Cordova resources. You can replace icon.png and splash.png and run
ionic cordova resources to generate custom icons and splash screens for your
app. See ionic cordova resources --help for details.
Per the commentary at 01h04m20s...
He doesn't go into how to customize app icons, but points out there are Ionic resources for this.
Something to look into...
Also, note that
./resources/README.md
says: