Open the downloaded file. Android will ask you to allow
"install unknown apps" for the app you opened it from —
tap through to Settings, toggle it on, then come back.
Play Protect will warn about an unknown developer. Choose
Install anyway.
First launch takes ~15–20 seconds while the bundled Bee
node boots. The dot in the top-right goes red → yellow → green
when the Swarm gateway is ready.
This is a preview build. It's debug-signed, so it can't upgrade
itself — check back here for new drops. Source is on
GitHub.