The updater doesn't create a osu!.user.cfg file (not sure if the installer does this either though), the game starts in fullscreen and on some machines the login window is displayed behind the game itself. It's an unnecessary step for the user to have to close the game (which can be buggy as well) and change the resolution manually through the cfg, so I made it download it automatically without having to emulate a virtual desktop with wine, which wouldn't let you change the resolution beyond the virtual desktop res.
I did make an icon for the shortcut as well but petch didn't add it for some reason. In the meantime you can manually set it to this.

I did make an icon for the shortcut as well but petch didn't add it for some reason. In the meantime you can manually set it to this.