I am sure it has been tried before, but please try again:
Login to the Starbucks forum and comment on this thread to pressure them to make a Windows Phone app
Starbucks - make a Windows 10 **Universal** app | My Starbucks Idea | Starbucks Coffee Company
Login to the Starbucks forum and comment on this thread to pressure them to make a Windows Phone app
Starbucks - make a Windows 10 **Universal** app | My Starbucks Idea | Starbucks Coffee Company