1. A method of setting up user applications in a plurality of electric devices, the method including: communicating at least a portion of a second set of information from a second electric device to a first electric device over a wireless proximity interface, the second set of information being associated with a second user application of the second electric device; evaluating a correspondence indicator value on the basis of at least a portion of a first set of information and the at least a portion of the second set of information, the first set of information being associated with a first user application of the first electric device, the first user application and the second user application using shared application data communicated between the first electric device and the second electric device by using a wireless interface, the correspondence indicator value characterizing the readiness of the first electric device and the second electric device to execute at least one command associated with the first user application and the second user application; and deciding, on the basis of the correspondence indicator value, whether to execute the at least one command.