In addition to WiMAX network, Sprint is also joining the party of LTE and the carrier is going to release the LG Viper 4G LTE smartphone. Powered a 1.2GHz dual-core processor, the phone runs Android 2.3. It features a 4-inch WVGA NOVA touchscreen, a 5 Megapixel main camera, and a  VGA front-facing camera. The Viper is a Sprint ID smartphone, allowing users to through the clutter of more than 400,000 apps in Android Market by selecting from a variety of mobile ID packs featuring apps, ringers, wallpapers, widgets and more. The Viper 4G LTE works on Sprint’s LTE mobile network.