we want to build website with two mobile applications integrated (iphone and android) for a foursquare like web application that we currently design.- users will create an account (facebook/twiter login should works. - add/invite friends from twitter facebook accounts.- check-in to a place.- create new check in location with approval from our control pannel. (web app)- see a list of places near by (geolocation) and who checked in there.- two types of Golden accounts for users with special features- see on a seperate tab punch cards and how many punchs user has on each card and money bonus. - see friends activity (check-in and like-comment)- the mobile application should communicate with the webapp (send/receive/show data)Submit your expertise on the above tasks, your best offer and achivable schedule. all codes will be delivered open source. Skills required:Android , Geolocation , iPhone , Mobile Phone , SQL