Mobile World Congress 2011 is upon us, and LG is kicking things off by announcing the Optimus 3D smartphone and the Optimus Pad tablet. The Optimus 3D is an Android-based smartphone with a 4.3” screen and a TI OMAP 4 SoC, along with glasses-free 3D viewing promised by the WVGA display and the dual-lens camera used to capture 3D video. The Optimus Pad is a Honeycomb-based tablet running Tegra 2 on an 8.9” WXGA display, with stereoscopic 5MP cameras for 3D 1080p video capture. The Pad is the international version of the LG G-Slate that T-Mobile announced at CES. Read on for more details about these two new Android devices.