In addition to a d-pad , buttons and analog joysticks , there 's a full qwerty keyboard .
除了游戏手柄、按钮和游戏杆之外,它还有一个标准打字机键盘。
Matsumoto 's " personal mobility robot , " equipped with four cameras and a sensor to recognize the user 's centre of gravity , is designed to help elderly move around without pressing buttons , using joysticks or rotating wheels as in traditional wheelchairs .