This is an app where you can play by watching the unique movements of each working vehicle. There are various mechanisms that allow you to operate it simply by tapping on the icons and various things that appear. Various vehicles appear, such as working vehicles such as power shovels, dump trucks, mixer trucks, bulldozers, power loaders, high-altitude work vehicles, pump trucks, garbage trucks, trucks, and container trucks that work on construction sites, emergency vehicles such as police cars,