185
First Fossify app released on F-droid: Gallery
(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
The original project was bought by a company known for injecting ads into their apps, so this fork was made by one of the original maintainers in order to keep it ad-free. This is just off the top of my head, so go look into the project if this interests you.