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Google's dev registration plan will end the F-Droid project
(www.theregister.com)
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
Matrix space | forum | IRC
Fdroid are:
So I think these are preferred avenues of action right now.