Before you type anything you can press left and right on the directional keys to change colors and up and down to change icons. Or something like that.
I do RC cars, but not copters or planes. That was my dad's thing. I love building the chasis and tweaking specs/tire materials and compounds for specific tracks. I prefer drift RC cars over power/speed.
I have before. It's something to do while you're on a long phone call. No one is really going to bother you out there, except the occasional person camping the turtle dealer.