You need to have basic knowledge in HTML and have enough experience in handling Construct2 to make the project AirConsole functional.
My work was done thanks to the information I found in this post: plugin-airconsole-local-multiplayer-for-your-game_t167377
The information detailed in the post about the "Controller.html" is to be used in Construct2.
Each project is different, so there is no way to explain in an exact tutorial how to adapt Construct2 controls, since each project will use the controls that the developer chooses.
It is easier than it seems, if you have knowledge in HTML and controls Construct2 at an average level, you will not have problems in developing content for AirConsolo.
I guess eventually add some kind of plugin for Construct2 that in addition to existing features, allows us to develop the "GamePad" used Construct2.
You can find more information about my projects on my Facebook page: facebook.com/MarshallDesignsOfficialSite