I used it just 2 days ago to transfer a folder of old photos between my laptop and my sister’s. Signal would not work, it sucks on pc and its just more annoying to use compared to local send. It’s not gonna be used often like kde connect but it has its place.

Whats the hardware? I have been meaning to try kde plasma on tv but it’s on a pause for a while till the prices normalise.

Yes, droidify also uses fdroid repo (and more) so there should not be any conflicts in signatures. You might get a popup/confirmation when you update the apps for the first time indicating this app was previously updated by fdroid.