An easy way to have a good game is play as R2-D2 and choose light death star missions. From there it's easy to start Destroy the Death Star.
Shoot 5 targets with red lights to begin TIE Fighter Hurry-Up. Hit the TIE Fighter, then bash the action button to advance to Multiball!
Start Hyperspace Hurry-Up by completing the bottom lanes and shooting the lit yellow shots. Collect 3 Hurry-Ups for Multiball.
Hit the death star to release the third locked ball for 3 ball multiball.