1·They use a trackball to move the cursor and scroll the screen, but it is more like cursor-key functionality rather than a mouse pointer.
它们使用轨迹球移动指针和滚动屏幕，但是这更像是指针-键功能而不是鼠标指针。
2·The front-mounted button is not a trackball, as has been speculated by some. It is a simple click-action multifunction "home" button analogous to the iPhone's central button.
正面的按键不是很多人所猜测的轨迹球，而是类似iPhone菜单键的一个简单的中心键。
3·Move your mouse or trackball in the straightest line possible.
尽可能在最直的线上移动您的鼠标或轨迹球。
4·The robot also features changeable moods, including excited, upset, or curious, which are based off the types of interactions given to it through the app or TrackBall - like virtually feeding it.
该机器人还具有多变的情绪，包括激动，心烦意乱，或好奇，这都基于通过应用程序或轨迹球给它的交互类型-例如目前喂养它。
5·Added trackball support, video scaling option, portrait mode.
时间轨迹球支持，视频缩放选项，肖像模式。