If you are on OSX and have Chrome installed, you can use it to wrap apps so that they have their own app icon.
To quickly install it, download and run the script, or just open a terminal and run this command:
curl https://gist.githubusercontent.com/jffry/239833b8f3598ebc6e03/raw/make-noisli-app.sh | bash
That will automatically install the app and run it, though subsequently it's like a normal OSX app and you don't need to run this script again.