The one-click installer currently only works on Mac.
The kickstarter aims to provide an installer that will also work on Linux and Windows.
Since the GUI is a node webkit (https://github.com/rogerwang/node-webkit) application it should work on all platforms in theory.
There are dependencies and such.
The tricky part for us has been getting file sharing working on all platforms, since each has its particularities, and OS versions are impactful.
Addressing this will be a stability improvement.
Also, things like waking a sleeping computer occasionally confuses VMs and/or fileshare.
The installation process can fail if the user has custom software components installed, so we need better error handling.
Some of these issues will be resolved by virtue of the new architecture.
We have 2 Linux users on the team at Kalamuna, and they've ben fine with the command line, so it hasn't been a high propriety for us.
But, that's why we're running the Kickstarter!