Air Hockey Version 2 iPhone App

BUDGET $500 I have a completed iPhone Air Hockey Game. There is 1 player, two player, easy medium hard. sounds. I need to change a couple things and add new features. 1ST THING - I NEED NEW SCREEN DESIGNS FOR MENU - YOU MUST DESIGN- I DONT HAVE DESIGNER!!!! 2nd requires to add career mode - where user battles 5 teams and 3 rounds and must win circuit (ATTACHMENT) 3rd - adding multiplayer function - YES SERVER WORK!!! user sign up and register and plays again live real people. In App Integration Purchase required , admob integration required FEW MORE THINGS TO DO THAN THIS - WILL GIVE DETAILS BUDGET IS $500 ONLY MILESTONE FREELANCER 25%, THEN 50% RELEASE, 25% WHEN SUBMITTED TO APP STORE ONLY BID IF YOU HAVE FEEDBACK, I WONT RESPOND TO GENERIC MESSAGES, READ MY POST!