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Fossify File Manager released on f-droid
(f-droid.org)
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
I think it's all speculation so far, but I've heard the company is an analytics one, so it's likely to try to sell user data