Progressive Web Apps are applications built with web technologies, which progressively adopt features that were previously only possible in native apps.
No download required and it does not take up storage space
It is possible and easy to add a launch icon to the home screen
It is not necessary to download the updates.They are instantly updated.
Only safe aplications (https) are allowed as PWA apps.
Access Safari menu and choose the option:
Now you will always find Gartic in your home screen!