LG GW820 EXpo official Pictures. LG GW820 EXpo is a Smartphone of lg. The LG GW820 EXpo Windows Mobile Smartphone. Announced Dec 2009. Features 3.2″ Display, Snapdragon S1 Chipset, 5 MP Primary Camera, 1500 MAh Battery, 256 MB RAM. LG GW820 EXpo price starts.