Google will block every Android app whose developer hasn't registered with Google (opens in new tab)
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A community for sharing and promoting free/libre and open-source software (freedomware) on the Android platform. This means software you are free to modify and distribute, such as applications licensed under the GNU General Public License, BSD license, MIT license, Apache license, etc., and software that isn’t designed to restrict you in any way. Think of free software as free as in freedom of speech, not free potatoes.
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