Tiny relay so a web link (e.g. a Tin dashboard card) can one-tap open Termux running a command — the missing glue Termux core deliberately omits (RUN_COMMAND is a permission-gated Service a browser can't reach; this BROWSABLE Activity holds the permission and relays).
Link format: termux://run?cmd=<urlencoded shell line>
e.g. termux://run?cmd=mosh%20tin%40host%20--%20tmux%20attach%20-t%20sess
One-time setup per phone: install the APK · grant it RUN_COMMAND (App info → Permissions →
Additional) · in Termux ~/.termux/termux.properties set allow-external-apps=true then termux-reload-settings.
APK built by GitHub Actions (Artifacts of the latest build-apk run). Source kept in ATP fleet.