If you want a Linux "app" on your laptop for your start9 home page or any of the services you've installed follow this
nostr:nevent1qqsvsg3htqfu5k8xl6h95z5jeyp4m8n955m57j0wfzhs2hny3lqxdmgpz3mhxw309ucnydewxqhrqt338g6rsd3e9upzp4cd2qy32p9ejtgc8zpz4uj96hmt8gttstv30t9hjfxw7c0dft8wqvzqqqqqqy95v2mf
You can also use this application too. Much easier to use and manage web apps than the manual method.
https://flathub.org/apps/net.codelogistics.webapps
Why is this better?
I didn't say better. I said easier.
Both have their merits.
All depends on the users abilities and needs.
What about it is easier?
Having all of your web app applications in one GUI for easy management.