S4BB Limited is a young, leading edge Hong Kong based company specialized in the development of mobile applications. Their BlackBerry products are market leading and cover nearly all aspects of what is possible on a mobile device. They provide applications for the mobile market like ebook readers, ebook readers bundled with ebooks, games, productivity applications, administration tools, wallpapers, videos optimized for mobile devices, mobile VoIP solutions, desktop applications for preparing data for your mobile device, multimedia mobile applications, applications combining famous web services with mobile platforms and even more interesting mobile products.