[Controls explanation]

Is there an overview of the controls of OpenRCT2 somewhere? I am wondering about simple things like what is the right mouse button used for, what are the keyboard shortcuts, what is the use of middle mouse button, etc. 

[Strange OpenRCT2 title screen (trying to port)]

This is a question for the OpenRCT2 devs. I am trying to port the game to Nintendo Switch, and I am getting the following strange title screen:

It looks like some kind of internal debug mode or something?

Any idea what could trigger this?

Thank you!