Sony Ericsson entering glasses-free 3D smartphone game with model offering HD 4.7 inch screen
It's way too early to determine if 3D smartphones are more than just a fad. The stereoscopic, glasses-free version used on handsets can lead to eye fatigue and headaches. And if you do not view the screen from the correct angle, the 3D effect will not be apparent to the viewer.
source: SEMCBlog via ElectricPig