LG's been mighty stingy with details about its 3D smartphone, but some very promising ones have just trickled out of Barcelona ahead of Mobile World Congress -- in keeping with the companies theme of doubling everything, the LG Optimus 3D will ship with a dual-core 1GHz TI OMAP 4 processor. Considering that we've seen that particular SOC drive three screens, we're guessing that a single 4.3-inch ste
