Star Wars: Galactic Defense

Star Wars: Galactic Defense is a tower defense mobile game developed by DeNA Santiago for Android and iOS. It was announced on September 24, 2014, and was released on October 30, 2014. The game takes place in a wide variety of eras, spanning both the prequel and the original trilogies.

Official description
Experience the Star Wars universe as an elite tower defense force in the free mobile game Star Wars: Galactic Defense''. This game propels the traditional tower defense genre into a galaxy far, far away by seamlessly blending iconic characters, adrenaline-fueled battles, and strategic gameplay into an exciting one of a kind mobile experience.''