You had one job and yadda yadda
csolisr
About the only open-source controller I'm aware of is the Alpakka series by InputLabs: inputlabs.io/alpakka
In one of my old phones, I played so much Yugioh Duel Links that the life points got burned in the OLED.
The sub-$300 is increasingly dying because of the RAM prices, but anything with a N100 or N150 should be enough for your usage case.
Including possession? What will they do, demand all users in the UK to unlock their devices for regular content scans?
Next to nothing breaks... unless you use GNOME, KDE, or some self-hosting apps - the latter one is unfortunately a deal-breaker for me, as that would require me to manually migrate my Fediverse services from YunoHost to Docker/Podman while somehow keeping the same encryption keys and HTTPS certificates. I'm still investigating how to do so.
Liberating, as in turning them into Liberia
I'm not sure about Fluxer specifically, but I've seen Zulip being deployed as a self-contained chat room for a few projects now. Also Stoat claims to be a Discord replacement. What does Fluxer offer in particular that the other two don't?
Let me save you a few keystrokes, there's already an app called Matterbridge: github.com/42wim/matterbridge
Fair that! Only problem is, I don't have any acquaintances, but if I ever fix that, then maybe we can work on that.
I'm already self-hosting a XMPP and a Matrix server, just in case. A shame that most of the group chats I've found there are about free software, assorted geekery, but not much of what I'd usually find on Discord - hopefully that changes in a few years.
Do I look like the person who can afford a third yadda? Heck I had to go in the red for the second one