LG has unveiled a host of new handsets at Mobile World Congress 2012 in Barcelona. All of the new phones run Android, with the Optimus 4X and Optimus L-series handsets sporting Android 4.0. The 4X HD is a powerhouse, pairing a quad-core 1.5GHz Tegra 3 processor with a 1280 x 720 IPS display. The Optimus Vu looks to challenge the Samsung Galaxy Note for supremacy in the 5-inch market, though offers an iPad-like 4:3 display ratio. The Optimus 3D Max offers a spec bump over the original Optimus 3D, along with NFC capability, though you'll be stuck on Android 2.3 for now. Finally, the Optimus L7, L5, and L3 bring a touch of style to the company's Android range. Keep track of all LG's announcements right here.