Hub allows you to create virtual switches that you can control with Alexa. You can choose to run a client that listens for this messages or you can make a simple http request.
The client was designed to be lightweight, it was tested on a raspberry pi zero. The main usage of this skill is to control Smart Sockets. With it you can control lights, a fan, a TV or anything that can turned on as soon as it is connected to the wall socket. By customizing the client the possibilities are endless.
In order to use this skill you need a valid account on https://hub.iktwo.com