Z21 mobile is a convenient app to control your Z21 Digital Center.

It provides an easy and convenient way to control your Z21 via a smartphone or tablet.

In addition to controlling the digital components, the app is capable of controlling the entire Z21 with its DCC-decoder and Motorola-decoder, as well as setting the speed of the locomotive and its headlight and rear light.

You can use this app to scroll through the available models in the digital switchboard. A slight touch on the headlight symbol and the front and back lights will make the locomotive light up and the train will start moving.