Google just rannounced Inbox by Google an Android and iOS standalone app for Gmail that's designed to organize email better for smartphones and make mail more actionable.
At first glance, it looks and feels like a mix of Google Now, Google Plus and gMail.Currently available on an invite-only basis, Inbox was an idea that sprang out of Google’s Kitchener-Waterloo offices and Canadian engineers were part of the team created Inbox. You can learn more about it on Google's blog.