Tatooine 1-31 is the 31st level of Angry Birds Star Wars.
This level is very similar to level 1-18 of Angry Birds Space, but you need to use the push ability to bring asteroids down to destroy the fortress, which is hard work. Fortunately there is one TNT crate, which makes this level easier.
Three Star Walkthrough
Send Obi-Wan above the asteroid field. Push the asteroids and TNT down to the main structure, crushing everything below.
See Video Walkthrough.