Samsung Electronics Co., Ltd. has today announced the Galaxy Grand 2, a device that offers an optimal large-screen experience on a portable, compact smartphone. The Galaxy Grand 2 provides improved HD viewing experience, enhanced performance, and many other intuitive features.   The Galaxy Grand 2 boasts a 5.25” screen with a 16:9 HD ratio, perfect for watching movies, playing games and e-reading. Multi Window takes multitasking to the next level by maximising the benefits of the large screen as well as enabling users to run one application in two windows at the same time.   The Galaxy Grand 2 delivers superior performance with a more powerful Quad Core 1.2GHz processor…