The Fitbit app is no more. Along with the launch of the new Fitbit Air (which you can expect a full review of once we've spent more time with it), Google has officially replaced it with Google Health, as previously announced, and many of the responses we've seen so far are full of confusion, frustration, and requests to get the old app back. One post on Reddit calls out a common issue, saying, "I can't even completely fill up my home screen. They only have 2 large tiles available and I can't ju