1) 1st person point-of-view is the "I-story".  It is written as if the hero/heroine is telling it.   The reader can see what the person sees, feel what they feel, and read their thoughts.  It is easy to write, and can be very exciting.

You  have arrived on a desert island through some terrible mishap.  There are rocks and trees and high cliffs in the background.  You don't know how or when you will get off the island.

Tell your story.