Paypal API Simple Front end & back end Html5 web (Phonegap needed also )

Hi, I want a Front and back end website & Mobile Optimized with Paypal API integration, This websites will be where users Sell Accounts such Instagram or twitter , i want system where users can Register with forms and wait for admin approval ( this option can be On or off from backend ) ..... More information will be giving Privet . i need this project with 2 days ( Discuss more on message)