Ngmoco's free to play strategy is spooling right along -- not only is its We Farm title now available on the US App Store (it arrived late last week after a short beta in Canada), but the company is also celebrating three million We Rule players by awarding everybody 20 free mojo. New players can get their mojo by downloading the app and logging in, or old players can just say hi, even if you've been away for a while (and all of your crops have withered up). Ngmoco also shared some fun stats about those three million kingdoms: players have played for 2.2 billion minutes collectively so far, and have bu
