Cleaning system and method for operating cleaning system

The invention relates to a cleaning system comprising: a cleaning cart (12; 100, 100; 200) and an external additional device (14; 300), in which the cleaning cart (12; 100, 100; 200) comprises a frame (18) having rollers (26) for traveling on a floor (28); at least one receptacle (31) for receiving and/or carrying a cleaning appliance (152), and an interaction device (124) having a manually actuatable interaction element (134), the additional device (14; 300) is designed to be portable and in which the additional device (14; 300) in which a user application for processing cleaning-related information is stored in an executable manner and/or which can be executed by means of an additional device (14; 300) to operate the user application, in which the interaction means (124) and the additional device (14; 300) can be coupled to each other via a communication connection, and wherein input information for operating the user application can be conveyed from the interaction device (124) to the additional device (14