I wouldn't expect apps to require android 11 anytime soon (years). Android 4.4 was supported forever. Things get ugly when 10 doesn't receive any updates anymor

I wouldn't expect apps to require android 11 anytime soon (years). Android 4.4 was supported forever. Things get ugly when 10 doesn't receive any updates anymore. But even with the versions before 11 things were a chore with many vendors putting aggressive power saving features in their phones that are hard if not impossible to disable for some chinese brands, sometimes the app not restarting after the app store pushed an update, etcpp. I tried to de-cloud my dad with it, but eventually the app would stop running for some reason after a few days or weeks and nothing would get synched. Because otherwise, the technical foundation, especially the nat traversal is superb. I ran a mini pc in his home with ST that would receive all the photos from the phone. Zero maintenance, no port forwardings that I would have to re-do if the provider switches routers or the settings reset or what not, no dyndns for reachability. He was travelling in thailand, vietnam and elsewhere and the pictures just kept coming in. A reliable version of PhotoSync that uses the syncthing protocol under the hood would freaking kill it.