The Tread-Walk is a mobile device developed to let the elderly and disabled fulfill their mobility needs. It can also be used as a tool for rehabilitation and exercise for the disabled. It represents an amplified walking system from Waseda University Tokyo, Japan. Due to the self-driven treadmill, the user can walk naturally on it. It detects the walking speed of the person and increases it about 1.5-3 times as the driving velocity, thus expanding the activity area. There are safety sensors to avoid any potential collisions. In addition, the Tread-Walk also improves physical ability in the walking movement.