and the key is made from different build properties like http://ro.build .type, http://ro.build .user,... and stored in /data/backup/fkeypic.twitter.com/NMto5BY7zp
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Not that I really know much, but maybe just post the apk on an apk hosting site rather than Google Play, and just get the word out with the articles and Reddit post. Just an idea :) good job on the research
F-Droid
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