ViClean – The app for your ViClean-I 100 shower-toilet from Villeroy & Boch The Villeroy & Boch app is the easy and convenient way to operate your ViClean-I 100 shower-toilet. The app features a remote control function and various setting options. The available settings are: Setting of temperature, shower spray modes, nozzle position and jet pressure. The gender-specific user interfaces help you to control the options which are relevant for you. These settings can be stored in user profiles for retrieval at any time. You can further individualise these profiles by saving them under your name, for example.