We called Nokia’s first Android app “wonderfully simple and shockingly innovative” when we gave the world its first look at the sleek Z Launcher app back in June, but the app was only available as a limited pre-beta at the time and Nokia quickly filled all available slots. Well, we have good news and bad news. The good news is that the Z Launcher app just received a major update and opened up to a new wave of pre-beta users at the same time. The bad news, however, is that you can only get in if you had previously signed up for access to the app. Z Launcher is Nokia’s first big post-smartphone project. Developed by a team within the Nokia Technologies