Control system for a mobile device comprising: - an electronic device configured to be worn on the human body, preferably on an arm or wrist, to detect movements of a human body : - a memory comprising information relating to a set-up action which is performed by the mobile device in response to a set-up command transmitted by the electronic device following an engagement movement, the engagement movement being one of said movements recognized by the electronic device for engaging the mobile device ; characterized in that the control system comprises; - a controller configured to carry out a command validation, the command validation being a check of a correspondence , the correspondence comprising whether a pointing movement performed by the human body when remotely pointing at the mobile device in order to follow the mobile device during execution of said set-up action corresponds to the set-up action information stored in said memory , where the mobile device is configured to start the set-up action before being remotely followed by the human body; and - said controller is configured to prevent the transmission of other commands to the mobile device , besides the set-up command, if said command validation does not establish said correspondence. - wherein the controller and the memory are incorporated in an apparatus of the control system in radio communication with the electronic device and the mobile device . - an electronic device configured to be worn on the human body, preferably on an arm or wrist, to detect movements of a human body : - a memory comprising information relating to a set-up action which is performed by the mobile device in response to a set-up command transmitted by the electronic device following an engagement movement, the engagement movement being one of said movements recognized by the electronic device for engaging the mobile device ; characterized in that the control system comprises; - a controller configured to carry out a command validation, the command validation being a check of a correspondence , the correspondence comprising whether a pointing movement performed by the human body when remotely pointing at the mobile device in order to follow the mobile device during execution of said set-up action corresponds to the set-up action information stored in said memory , where the mobile device is configured to start the set-up action before being remotely followed by the human body; and - said controller is configured to prevent the transmission of other commands to the mobile device , besides the set-up command, if said command validation does not establish said correspondence. - a memory comprising information relating to a set-up action which is performed by the mobile device in response to a set-up command transmitted by the electronic device following an engagement movement, the engagement movement being one of said movements recognized by the electronic device for engaging the mobile device ; characterized in that the control system comprises; - a controller configured to carry out a command validation, the command validation being a check of a correspondence , the correspondence comprising whether a pointing movement performed by the human body when remotely pointing at the mobile device in order to follow the mobile device during execution of said set-up action corresponds to the set-up action information stored in said memory , where the mobile device is configured to start the set-up action before being remotely followed by the human body; and - said controller is configured to prevent the transmission of other commands to the mobile device , besides the set-up command, if said command validation does not establish said correspondence. - wherein the controller and the memory are incorporated in an apparatus of the control system in radio communication with the electronic device and the mobile device . <EOS>