As you are probably aware, you cannot side-load or run any Google app that requires a login on the Kindle Fire. That means no Gmail, Google+, Google Voice (I need to text my peeps) or Google Docs. I should have carefully researched the Amazon app store before I bought the Kindle Fire. I falsely assumed that since you built the Kindle Fire to run Google’s operating system, Google apps would not be a problem to run.Kindle Fire: An open letter to Jeff Bezos • The Register.