Install Docker natively on Android Phone and use it as a Home Server

prevent e-waste
or maybe as a first step into self-hosting for someone who has no access to more suitable hardware

at the very least it’s probably about as good as a pi, but for free… and has a built-in UPS and backup internet connection… could be actually very helpful for reporting system status through power outages etc - perhaps even use the camera as a remote view of the systems