iphone chat application..

Iphone app required on urgent basis... points what i want in my app – 1) chat router like what i wrote in freelancer.com 2)an option to add as friend and chat to him any time he is online from any place 3)register:first name , last name , gender , choose a pic/take apic 3)an option to edit profile 4)save friends last chat block user 5)block user 6) log in/log out 7)to list the not friends and friends users 8)notifications when i am not into the app. Need to make it asap.