Currently no, at least legally. Do notice that Sony is constantly bringing old PlayStation classics for sale at the PlayStation Store. You can browse the PlayStation store either from your computer...
with my fingers
No. First of all, Aayla Secura is only on Battlefront 2 and Battlefront 1 was released even before the PSP came into existence.
its a pack with a umd movie game memory card and the psp
yes of course! you can play any games you want.