Normal face perception is just picking up on the melody of faces while people with prosopagnosia generally lack this ability (although to different degrees).

通常的脸部识别就像是在逐步熟悉脸部旋律，而面容失忆症患者一般就缺少这种能力(尽管程度不同)。

youdao

The characters in our park just look a little bit similar to theirs. But the faces, clothes, sizes and appearances are different.

我们园中的角色只不过看上去和他们的有点一样。

youdao

Or is it just a way of being able to have many different faces on a watch via software?

FORBES: Links 28 Dec: Are We Now Waiting For Apple's iWatch?