You can keep employees from using malware-infested mobile apps by creating an enterprise store of company-approved apps. Here five reasons to set up your own app store. 1. They improve quality control. One way to make sure employees don't download bogus apps is to create an enterprise app store where they can get company-approved apps. Twenty-five percent of enterprises will have an app store by 2017, Gartner predicts, in part due to this greater degree of control.