Last year, Adobe announced it would no longer develop mobile Flash. It now appears Adobe will ensure you are not able to install Flash on new Android devices and they’ve set a date. From Adobe’s Blog:

Beginning August 15th we will use the configuration settings in the Google Play Store to limit continued access to Flash Player updates to only those devices that have Flash Player already installed. Devices that do not have Flash Player already installed are increasingly likely to be incompatible with Flash Player and will no longer be able to install it from the Google Play Store after August 15th.

And to think that, at one time, there were mobile hardware makers using Flash support as a selling point.