We have control buttons by default: Shift, Ctrl, Up, Down, Left, Right.
Is it possible to use additional buttons of the keyboard for navigation in a tour?
F - on/off FullScreen mode
A - open/close ABOUT textfield
H - open/close HELP textfield
C - open/close COPYRIGHT textfield
1 - open/close 1st map
2 - open/close 2nd map
etc.