What better way to celebrate and present your latest project than by introducing an app? Google wasted no time in launching the Project Fi app for Android with the aim of providing new subscribers a better wireless experience. The wireless service which we've been anticipating since last year was finally launched last week. Most of the leaked information, including the name of the project, turned out to be true. What we didn't expect though was the fact that it's an invite-only service, at least, for now.