The basic premise of having a camera follow the player is to update the camera's position each frame to match that of the player's.

相机跟随玩家的基本前提是每帧更新相机位置与玩家相匹配。

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Having a camera save the location in which you took the shot eases identifying photos later and helps you browse through your pictures on an interactive map.

能够记录地理位置的照相机将给后续整理辨别照片带来便利，并且使你能够在互动地图上欣赏你的照片。

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Pulling out the battery is the only option for recovery, so if you happen upon a scene that you want to capture right away, having a camera that occasionally fails is far from ideal.

ENGADGET: Pentax Q interchangeable lens camera review Hands-on

In terms of infrared radiation exposure (excessive amounts of which can cause cataracts), getting zapped by one of these scanners is the equivalent of having a video camera pointed at you--or reading by a 40-watt lightbulb.

FORBES: Magazine Article

Let's get back to that original question: why bother having Android on a camera?

ENGADGET: Samsung Galaxy Camera review: a 21x compact shooter brought to life by Android