Abstract: An application synchronization method and device are provided. The method includes: an application management category of an original application is obtained; the obtained application management category is synchronized to a new application corresponding to the original application, so that an application management category of the new application is as same as that of the original application.

Abstract: Disclosed is an application sharing device applicable to a mobile terminal, the mobile terminal installing at least one application, the installed at least one application being an original application, the application sharing device comprising: a management module, configured to control launching of a new application, and generate a derived list, wherein the new application is the same application operating simultaneously with an original application, and the derived list includes information of the original application, and information of the new application corresponding to the original application; and a file sharing module, configured to obtain, when the mobile terminal shares a file, the original application or the new application that currently opens the shared file, search the derived list for the original application and/or the new application corresponding to the obtained application. There is also disclosed is an application sharing method.

Abstract: An application synchronization method and device are provided. The method includes: an application management category of an original application is obtained; the obtained application management category is synchronized to a new application corresponding to the original application, so that an application management category of the new application is as same as that of the original application.