Help 2.3 help plz


I have an LG optimus S, and I have 2.2 right now, where the top bar is white and the home screen lock buttons are clear...

but it says i can mom has the same phone with 2.3 and her top bar is black (ew) and her lock buttons aren't see thru (ew)

also her keyboard is different..

so what does the 2.3 update consist of?

do I need to update it?

should I?

will i get temple run if i do? :driver: