FB had internal tools that did this in 2013-2014 based on pieceable (https://techcrunch.com/2012/06/11/facebook-picks-up-the-mobile-development-team-from-piecea

FB had internal tools that did this in 2013-2014 based on pieceable (https://techcrunch.com/2012/06/11/facebook-picks-up-the-mobile-development-team-from-pieceable/ https://techcrunch.com/2012/06/11/facebook-picks-up-the-mobi...).