The application collects statistics information from SharePoint Market and save it to history database
More details in following articles:
http://plumsail.com/blog/2014/10/sharepoint-office-app-store-facts-interesting-statistics/ http://plumsail.com/blog/2014/07/analyze-and-start-using-api-of-sharepoint-app-store-to-collect-data-about-apps/