PHILLIPINES PASSPORT HOLDER WITH (2015) VALID DUBAI RESIDENCE VISA.

I'M GOING FOR VACATION NEXT MONTH AND I'M PLANNING TO VISIT HONGKONG FIRST FOR 4 DAYS BEFORE GOING TO PHILIPPINES. I HAD MADE A HOSTEL BOOKING IN HONG KONG & I ALSO HAVE THE TICKET CONFIRMATION/ITENEARY DURING MY VACATION
MY QUESTIONS ARE

-DO I NEED TO APPLY FOR ITFIRST HERE IN HONG KONG CONSULATE BEFORE GOING TO HONG KONG?
-WHAT TYPE I HAVE TO APPLY?
-HOW LONG IS THE PROCESSING TIME?