The Savola® work order App is developed for the support for on-site technicians to record the work progress. The work order App follows the Service Line App. The requester can send with the Service Line App a service request to the work force to solve the reported problem. The reported incidence appears with comments from the Supervisor at the work force Smart Phone or Tablet on-site. The worker on-site can report with the work order App the status and work progress of the particular task. E. g. set status to “In progress” or “done” with comments for the supervisor. The status changes will be sent automatically to the central database for further action. The incident requestor will be informed immediately about the status changes at his mobile phone via the service line app. The smart phone options camera, barcode, NFC and GPS are also available with the App.