This sounds promising. But given how much money there should be in this, their timidity is puzzling. Perhaps the solution is brittle or subject to legal or technical challenges. Just read between the lines on this. They’ve got the cure for cancer but there keeping it in animal testing for now…

The app is currently in beta and we’ve decided to keep availability more focused to ensure the best user experience at this time. Although we’re excited to be the first mobile company to introduce a blue bubble solution and we’d like to make it as widely available to Android enthusiasts as we can, we’re prioritizing delivering an optimal user experience before committing to expansion at this time.