Come next month, NTT DoCoMo users won't be the only ones to benefit from a water-resistant version of the Optimus G. Similar to the L-01E for Japan, LG has introduced the Optimus GJ for Taiwan, which carries IPX7 certification that allows for worry-free immersion in up to a meter of water for 30 minutes. The Optimus GJ also carries IPX5 certification for protection against dust particles. Dubbed the E975W, the smartphone is by