Looking for a Responsive Theme for OSClass Classifieds Open Source, please read the entire project before biding.

We are looking for an Responsive Theme that work and look fine with the standard OSClass source code, without any core modification. This theme must work in any device like PC, tablets and mobiles and where every detail work like a charm. Original OSClass Responsive Blue Bender Theme can be used as basis. Exactly, what specifically we are looking for? - Of course, a professional responsive design. - OSClass is multilanguage so this theme must contain the OSClass tags required to translate it multilanguage automaticaly. - Category selector in two step, it mean, category and then the subcategories. - Region selector in two step, it mean, region and then the cities. - All official plugins posted on OSClass market must work fine and look fine in all pages as search sidebar, itempost page, item page and dashboard page, ex: Car attribute plugin, Real Estate attribute plugin, Dating attribute plugin and so on. - Photo gallery must work like the item gallery of [login to view URL], static, no popup, where the main image change when mouse over or click the thumbnails, also multimagen upload with previsualization is required like olx.com. - Unlimited Premium Ads in search results page. - Plugin with Bubble notification in item-post page when users put cursor into the fields: title, description, email, etc., in order to suggest to the users what to do or not when they are publishing or editing an ad, like item-post page in olx.es. - Plugin in order to convert all the friendly url "[login to view URL]" into "[login to view URL]". Maybe a wildcard configuration into the server will be needed. - Of course all the functionability from the standard OSClass instalation. Terms and conditions... We are looking for a capable and reputable person/company to start this job as soon as possible. This person/company must have their own server and domain to make this job in a clean installation of OSClass Ver 3.1.2. Experience on OSClass source code is wished. After finished this job, you must deliver the theme files, and plugins if needed, in a easy way to install on sites with OSClass 3.1.2 running, just copying the files to the server, install and continue running, as original plugins or themes from OSClass does when we download directly from OSClass Market... Any advice and sugestion is welcome... All the files to start this job can be found in [login to view URL] - OSClass Open Source Classifieds Ver 3.1.2. with Modern Theme included - Blue Bender Responsive Theme - Real Estate Theme (just to take some code and ideas) - Twitter Theme (just to take some code and ideas) - Car Atributte Plugin that we will use to offer special extra fields in vehicle categories - Real Estate Plugin that we will use to offer special extra fields in real estate categories - and the rest of plugin with extra fields.