A computer program product tangibly embodied in a computer-readable storage medium includes instructions that when executed by a processor perform a method for interaction between a business system and a mobile device. The method includes forwarding, from a business system that includes an application program having logical functionality, a visual interface for storage on a mobile device and display by a browser on the mobile device, the visual interface configured for making a call from the mobile device to the logical functionality. The method includes storing a business system proxy on a computer device configured for communication with the mobile device at a remote location, the business system proxy including the logical functionality and configured to receive the call from the mobile device. The method includes receiving, in the business system, an update from the business system proxy relating to use of the mobile device at the remote location.