184
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
In regards to your edit, federation means sometimes updates are less synchronous than immediate. Some server somewhere got hung up on the way to serve you that data; maybe your own instance, the OP's, or some third instance or multiple out there in the interwebs. I don't have the technical knowledge to explain beyond that though.