andRoc is an Android-based wireless client for Rocrail, a model railroad control system. This app is a great addition for users who have a valid donation key installed on the server. It offers a range of features that enhance the control and management of model railroads.

andRoc lets you control your model railroad with any supported Command Station. It has a Loco throttle with 28 functions and lights, and you can start locomotives with just a few taps. You can also control accessories, automation, routes, and system settings, and monitor system status and performance. The app also provides an interactive layout for easy control.

Overall, and is a valuable tool for model railroad enthusiasts using Rocrail. It's wireless capabilities and comprehensive set of features make it a convenient and efficient way to control and manage your model railroad system.