Usar o APKPure APP
Obter o APK da versão antiga de Dynamic app icon demo para Android
Este é um exemplo que mostra como alterar o ícone do aplicativo programaticamente.
This is an example showing how to change your app icon programatically without depending on specific launcher.
The "trick" is to make use of (which should be overlooked by many developers) in Android Manifest. Each is:
1. Representing an app icon
2 .Can be enabled or disabled to make the desired app icon to be either shown or hidden in the launcher