Microsoft is internally testing a new application called "Work Assistant," which might be one of the projects with which company founder Bill Gates is involved closely. WMPU was the first to cover the new "Work Assistant" app. (I saw the WMPU report via Softpedia.)The Work Assistant app, marked as a private internal beta, is designed to help users perform various Office-related tasks on Windows Phone.
One of my contacts confirmed that the Work Assistant application is being developed by Microsoft's Digital Life + Work group, which is part of the Applications and Services Group (ASG) run by Qi Lu. Julie Larson-Green, Chief Experience Officer of ASG, is believed to be spearheading the Work Assistant effort, and Gates has been involved, my source said.