This control package allows creating cost effective complete control solution based on compact controller and Apple iOS or Android or Windows mobile device control panel. The appCUE runtime enables to use any Apple iOS or Android or Windows device as a Cue System control panel. 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 mobile device and control system is based on Wi-Fi using CUEnet2 protocol. The DIN rail controller controlCUE-versatile-d is fully functional IP controller with eight versatile ports and three bi-directional serial RS-232/485 control ports. Fully compatible with CUE touch panels, this controller can work as standalone device. The versatile port is a new type of control port and depending on the application each versatile port can be used as an input or output. Single cable Ethernet connection provides easy network integration and the controller is equipped with Power over Ethernet (PoE) technology enabling an Ethernet network cable to deliver both data and power.