Launched on February 22nd, 2019
It's very straight forward. Takes the load of my browser. Very helpful with frequently used webapps. Now I don't have to keep the tab in my chrome open every time.
For each desktop app you're downloading the same bulk of identical base files.
You could also use Chrome's built-in desktop 'app' functionality (still eating memory 🙄) and make use of the chrome base that's already on your OS.