The appCUE application enables to use any Apple iOS device (iPad®, iPhone® or iPod® touch), Android tablet or phone and any Windows PC or tablet as a Cue System control panel. It is a suitable addition to CUE’s touch panels and other control panels. The GUI application has to be designed using standard programming tool - Cue Visual Composer, where effective application preparing is achieved by visual programming approach with drag and drop, advanced editing technique IntelliSense, export and import of ready to use pieces of program and more. Communication between control system and control panel is based on a wired or wireless (Wi-Fi) network communication using CUEnet2 protocol

The appCUE for Apple iOS can be downloaded from App Store, appCUE for Android from Google Play and appCUE for Windows from CUE’s web pages. All appCUEs are free. The controller or touch panel (CUEunit) stores XPL2 applications and floating licences, which can be uploaded to devices running appCUE. Specific number of licenses can be buying every time and downloaded to the unit. At the same time, the system can be controlled by max. number of mobile devices equal to number of stored licenses. This mechanism allows use any mobile device with appCUE installed. If some license is free, the control application is downloaded from the license and application server to a mobile device registered on the network.