From user reports on various forums:
As Jake embarks on his mission, he encounters an alien spaceship and meets the alien, Nanu (played by Djimon Hounsou), who turns out to be the last of his kind. The aliens, it turns out, have been observing Earth for some time and have crash-landed on Earth centuries ago. Cowboys.and.Aliens.2011.720p.Hindi.English.Vega...