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The rapid development of embedded hardware, bringing a new revolution of mobile phone operating system. The Symbian system, which is well known for code efficiency occupied more than half of the smart phone market. This structure has now been broken. Faster and faster processors, more and more memory and bigger screens, promote the phone operating system to more cool, more personalized and closer to user experience; Symbian’s market has been gradually eroded by IPHONE, Android, etc.Under the chaotic situation of many mobile phone software and hardware manufacturers, a lightweight, cross-platform mobile application platform, turned out to run, that is mobile widget engine. It is a provider of widget components running in the middle platform, and a widget can be seen as a small Internet-based application-specific function for each widget is a lightweight task. Mobile widget engine solved the problem of difficulty, long cycle, and high threshold when developing directly in the operating system. More solved the needs that one application must be developed once for each operating system. The widget engine has important significance for the popularity of mobile applications development.In the wireless application market, the release of mobile applications experienced pre-install through the terminal, Monternet mode (operator SP) and self promotion download. Then apple opened APP STORE mode as an application store, following Apple, more and more Hardware manufacturers, mobile phone operating system vendors, as well as operators, are beginning to covet this huge cake, and having launched their own download store, free or otherwise, to seize the market. Mobile widget engine has the advantage of cross-platform, and can solve the operator’s difficulty of releasing, installation, deployment of applications, how to combine the mobile widget engine and wireless application store come to a new subject and business opportunities.This paper is based on the mobile widget end to end technology between widget client and mobile Internet platform server, and learn from the successful experience of app store and mobile market of CMCC to discuss how to research and design a new cross-platform widget application store based on existing models to help developers to upload, test, publish applications, and to provide classification, browsing, ordering, unsubscription and evaluation function for end-users, and billing and management interface for operators. This paper also focuses on the security program to protect the platform, developers and the copyright of applications.
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