A system for assessing the usage of an envisaged manually movable consumer product that is arranged for treating a surface by a user, comprising: a manually movable consumer product mockup intended for being held in at least one of the user's hands during the usage; a simulation subsystem comprising a display unit for presenting at least partially simulated content and a simulation processing unit for providing the simulated content; a tracking subsystem arranged for tracking at least the motion of the manually movable consumer product mockup with respect to a reference system , the tracking subsystem comprising at least one tracking data generating unit and a tracking data processing unit for determining position and/or orientation and/or motion data (D M ) from the tracking data (D T ); a data processing subsystem for receiving usage data (D U ) comprising at least the position and/or orientation and/or motion data; wherein the simulation subsystem is arranged to simulate at least one property or feature of the envisaged manually movable consumer product and to present this property or feature as simulated content via the display unit ; wherein the data processing subsystem is arranged to process at least a portion of the received usage data (D U ) to compute derived usage data (D D ) allowing to assess the usage of the envisaged manually movable consumer product; wherein the data processing subsystem is further arranged to display the derived usage data (D D ) via the display unit or via a display of a user interaction device ; and characterised in that the manually movable consumer product mockup comprises at least one contact sensor unit and the manually movable consumer product mockup is arranged to transmit contact data as further usage data to the data processing subsystem via a data transmission unit. a manually movable consumer product mockup intended for being held in at least one of the user's hands during the usage; a simulation subsystem comprising a display unit for presenting at least partially simulated content and a simulation processing unit for providing the simulated content; a tracking subsystem arranged for tracking at least the motion of the manually movable consumer product mockup with respect to a reference system , the tracking subsystem comprising at least one tracking data generating unit and a tracking data processing unit for determining position and/or orientation and/or motion data (D M ) from the tracking data (D T ); a data processing subsystem for receiving usage data (D U ) comprising at least the position and/or orientation and/or motion data; wherein the simulation subsystem is arranged to simulate at least one property or feature of the envisaged manually movable consumer product and to present this property or feature as simulated content via the display unit ; wherein the data processing subsystem is arranged to process at least a portion of the received usage data (D U ) to compute derived usage data (D D ) allowing to assess the usage of the envisaged manually movable consumer product; wherein the data processing subsystem is further arranged to display the derived usage data (D D ) via the display unit or via a display of a user interaction device ; and characterised in that the manually movable consumer product mockup comprises at least one contact sensor unit and the manually movable consumer product mockup is arranged to transmit contact data as further usage data to the data processing subsystem via a data transmission unit. <EOS>