Maybe try and use something that would be on their device that you created ( a folder, etc) as an indicator they are a previous customer.
On Monday, December 3, 2012 2:37:34 PM UTC-6, Brill Pappin wrote: > > FYI - What I'm doing is switching from a free/paid version free with ads, > to a single version that will have ads until an in-app purchase is made. > Obviously I don't want to screw the legacy customers with ads they have to > then pay to get rid of. > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

