Desenvolver um aplicativo para o Android e Iphone + HTML5

Real estate costum solution for smartphones and web. The app must be native to Android and Iphone, but also to integrate online with application logic on server side, since the app goal is to store information on locations/google map coordinates. - Modify or build a wordpress real estate theme that fuctions around google maps as a directory where users can search and place locations. - Highly responsive theme, must be converted/matched to an app. - Social Login. - Must be able to notify users trough social and push notifications on Chrome and mobile. - Must locate user position and use it to show near results. - Faceted search features that narrow results based on location and listing atributes. - Before any work is done it is necessary to plan the entire application/website. - Mobile SMS and Email communication with users. (must process sms replies). - One payment only when application/website is finished. Not negotiable.