Doing anything on Friday? As in, this Friday. Friday 5th. Yes, I think you are. At least if you live in London, anyway. There's a series of game-related events in London at the Tate Britain in the "Late at the Tate Britain: Game Play" event, which is a mix of social games (ala Werewolf), music, actual videogames and talks. The full program is below, but…