1. A method comprising: receiving, by a processor of an electronic mobile device, a managed application from an application server during a first communication, the managed application being constructed to operate in accordance with a set of one or more policy files defined independent of the managed application; receiving, by the processor, the set of one or more policy files from the application server during a second communication which is different than the first communication, the set of one or more policy files being stored on the electronic mobile device separately from the managed application; and running, by the processor, the managed application on the mobile device, the managed application operating in accordance with the set of policies which is stored on the electronic mobile device separately from the managed application, wherein the set of one or more policy files, when applied to the managed application, cause the managed application to restrict a data sharing feature otherwise made available on the electronic mobile device.