Runner Game Cocos2d Game Modification

i am having a Runner game application in apple store,i am going to make a new version for that game with some nice Functionalts,but i am enganed in a big project ,so i cant able to make this,my requirnmnts as follows 1: need magnetic effect like Temple run for colleting coin 2: need "head start run" like temple run 3: coin boost like temple run 4: spped running without fall ffor sometime like temple run All the above 4 features are same as that of temple run,user need to collect the coins to activate these funcataltys,exactly like the temple run. i will give you very detail explanation when you get awarded for this project.