Mobile app across different mobile devices and OSs including iOS, Android, and BlackBerry by yoyojob

I need to create a mobile, multiplatform app (Android ios) for an existing site (build with php Mysql jQuery). The app will have to play the full functionality of this site. The site is a fuel price comparator in Italy... (Budget: $750 - $1500 USD, Jobs: Android, Appcelerator Titanium, iPhone, Mobile Phone, Titanium)