I don't have the RC2 or PRO 2, but there should be an icon on the left hand side of the screen with a circle and an arrow pointing up in the app flight screen.
Hold the button down for auto launch.
No sticks needed.
.
Yes a little dark. The added roosting pigeon sounds did not fit the flying pigeons though. Nice smooth flying though. Thanks for posting plus nice music. Maybe for the public a good trim would be in order then only the use of the first soundtrack...