Thank you for playing “JR EAST Train Simulator”. We are pleased to announce that we will start selling official Master Controller Unit* for “JR East Train Simulator”. *A Master Controller Unit which is a device that allows the driver to control the acceleration and deceleration of the train mainly by steering wheel. As a component of the driver's cab, the mass controller and the switches and other devices located around the mass controller are referred to as the “Maser Controller Unit.