SM Ent, audition experience!? What it's like to audition for SM Ent in a global audition?

Thank 你 so much, this will help me so much, means also to me if someone could help me with all these questions. ^.^ I have so many so, there are 21 in total.
I've attached a 照片 of my 问题 so 你 can see them. so read the 照片 first! I know it's a lot but I really need some guidance