A free program for Android, by Freeze Games.

RailRoad Construction: Vegas Train Builders is a simulation game that allows you to build your own tracks and trains. You have the freedom to build them as you see fit, making the game suitable for both beginners and more experienced players.

The game is based on a 3D environment, where you can build your tracks by simply dragging and dropping the different elements, such as the rails, the platforms, and the signals. You can also add multiple levels to the game, in which you can go back to the previous level after completing a task.

You can choose from a variety of elements, such as the type of track you want to build, the size of the tracks, and the type of train you want to drive. You can also add a variety of cars to the train, from a steam engine to a diesel engine to an electric engine.