https://docs.godotengine.org/en/3.1/classes/class_os.html
The following function can be used in combination to identify the device a game is running on.
This can be useful for storing login/authentication information using a hashed cookie-like file.
https://docs.godotengine.org/en/3.1/classes/class_os.html#class-os-method-get-model-name
https://docs.godotengine.org/en/3.1/classes/class_os.html#class-os-method-get-name
https://docs.godotengine.org/en/3.1/classes/class_os.html#class-os-method-get-processor-count
https://docs.godotengine.org/en/3.1/classes/class_os.html#class-os-method-get-unique-id Note: Doesn't work on HTML5, fuck UWP.
https://docs.godotengine.org/en/3.1/classes/class_os.html#class-os-method-get-user-data-dir