I agree with @Bastien_Siebman, nativefier is a great solution to make that native app yourself. @Todd_Cavanaugh wrote a great tutorial on how to do it here:
I’m just wondering why nobody is offering the nativefied version here… So I’ll just do that now:
https://drive.google.com/drive/folders/0ByTO3RP9DQI0OVRZalY3c1ZSdXM?usp=sharing
In there you will find the App for Windows and MacOS
It looks like this:
I will add the linux version in the evening 