Not too many possible questions here. If you haven't solved the puzzles in the vicinity of the Gold Dome (the spinning dome puzzle and the colored stones puzzle) then don't follow the hints here. Lots of spoilers ahead.
What are those buttons with the strange noises for?
How can I get rid of the cage?
Should I trust what I am told here?
Can you show me a map of Small Island (a complete map, with some spoilers)?