Little Green Men

Hint: Where can I find the Keechda?

Hint: The entrance is blocked by barriers. Can I move them?

Hint: How can I get the Keechda to help me?

Nested hint: How do I fix the Great Machine?
(sorry, cannot decode section)
Hint: What should I do with my Mooka statues?

Hint: Is there something else I should do before I leave here?