The "menu" drop down button on the bottom right has been replaced with a sym symbol button.

底部右侧原“菜单”键变为SYM“符号”键。

youdao

More valuable, however, is HTC's integration of a Quick Settings menu alongside the usual Notifications in the drop-down Android menu.

ENGADGET: HTC Desire S review

If you really like one effect and you want it applied to all of your photos, a drop-down menu lets you choose it for automatic post processing, instantly applying, say, the color-saturated "More Cowbell" effect to each shot.

WSJ: The Digital Solution: A Photo App That Makes 'Awesome' a Verb

When clicked, it reveals a drop-down menu of all your notifications, and highlights unread ones in yellow.

FORBES: Connect