Some of the games locations…

– TIE Fighter construction facility
– Kashyyyk
– Felucia
– Raxas Prime

Info on the Proxy droid

– “Proxy is a prototype holodroid who has been the Apprentice’s constant companion for many years. Although Proxy’s origins are unknown, the droid is a one-of-a-kind unit capable of using advanced hologram technology and built-in servos to alter his appearance, becoming virtually anyone.”

– Takes place between episodes III and IV

– Darth Vader’s apprentice

More info and art at the official site

Link