How can i change the default svg app icon by my png animated icon, please?

ℹ️ Support
1

Hello,

How can i change the default svg app icon by my png animated icon, please ? For exemple on poll application
Thanks,
poll2

2

Thanks dartcafe, i have find. i must change this file:
apps/polls/lib/AppInfo/Application.php
apps/polls/css/main.css
apps/polls/css/main.scss

Thanks,