LG said Monday that its curved and slightly bendable G-Flex smartphone will hit the US by April in partnership with telecom firms ATT, Sprint and T-Mobile. The South Korean consumer electronics giant introduced its new flagship smartphone in late October, but it is only available in the companys home country as well as Hong Kong and Singapore. G-Flex is the worlds first curved and flexible smartphone, said LG Electronics USA mobile communications head Frank Lee during a presentation on the eve of the Consumer Electronics Show (CES) in Las Vegas. Ive carried one for the last couple of weeks and I have never had more people stop and ask me about a device I was carrying, said David Owens, vice president of product at Sprint.