It should come as no surprise that Samsung is working hard on updating its current flagship lineup to run Google's latest mobile OS. Historically, the Korean giant has typically stuck to a two year or two major updates scheme for its top-of-the-line models, which means that Android Nougat should eventually extend back to the Galaxy S6 generation, perhaps even further. But, naturally, current gen devices are up first and quite a few listings on Geekbench hint that the update might be almost ready for prime time. The pages in question show both the Galaxy S7 and S7 edge reporting Android...
Source: http://www.gsmarena.com/samsung_is_already_testing_android_70_on_the_galaxy_s7_and_s7_edge-news-20613.php