AndCam3D is a stereo camera application, that can produce 3D-images which create an impression of depth.

http://andcam3d.anddev.org

You can create Wigglegram(animated), Stereogram and Anaglyph(red-green) images.

Created images can be shared by eMail, Picasa or Flickr.

Now with a selectable crosshair and an overlay-grid (see settings).

Screenshots: