As you leave Naboo, you are forced to make a choice: Will the Birds be with you, or will you join the Pork side? If you chose to walk in the light, you arrive at this level. If you chose the dark, this level will unlock when you obtain 20 stars from the Pork Side of Escape to Tatooine.
One non-character swap strategy for Angry Birds Star Wars II Escape to Tatooine level B2-1 is to fling Jar Jar Binks toward the main tower. Aim his tongue toward the horizontal wooden plank at the bottom of the tower to bring it crashing down. The score in the video below is 41,150.