Mobile App Development and Design - repost

I am seeking a talented mobile app developer and designer who is able to customize the following provided mobile open source app script: [login to view URL] The customization of design and functionality requirements will be provided to those who are very familiar with app development and design. We will need both an Android & Iphone app developed. Please make note that the majority of the functionality requirements are listed in the link above, so it is important that you are very familiar with all the development and design. Facebook Login & LinkedIn Log in Payments will be paid based on completion of each step via Freelancer milestone payments. Budget: $250-$500 IMPORTANT NOTE: Keep in mind you are not developing the app from scratch, you will be customizing an existing script. Thanks so much Team