Didn't see that coming...From Apps to 'Add-ins'..
"The name "apps for SharePoint" is changing to "SharePoint Add-ins". During the transition, the documentation and the UI of some SharePoint products and Visual Studio tools might still use the term "apps for SharePoint". For details, see New name for apps for Office and SharePoint."
https://msdn.microsoft.com/EN-US/library/office/fp179930.aspx?f=255&MSPPError=-2147217396
