Complete downloader app

Hello freelancers. How are you ? Right now I have urgent project what is completed within 3 hours. If you have perfect skill, please apply. Our project is just downloader app for iPhone and iPad by using dropbox api. I have demo version source code. But I need you will add some function. I will share source code and video, specification for good freelancer. Remember this job have to be completed within 3 hours. Thanks for your time.