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, it's a hard work. Fortunately there are one TNT crate, it makes this level easier.
Three Star Walkthrough
Send Obi-Wan above the asteroid field. Push asteroid and TNT down to the main structure, crushing everything below.
See Video Walkthrough.