Answer:
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
You are my brother, but I am not your brother. Who am I?
I am a small paradise surrounded by dryness and heat.
Sometimes I annoy you, sometimes you can't live without me. But no matter how hard you try, you can't destroy me. What am I?
I have memories but none of my own whatever's on my inside is what is shown. If I'm ever different it's because you changed me I feel like a decoration here for you to arrange me.
Give it food and it will live, give it water and it will die.