diff --git a/custom_components/nvidia_shield/const.py b/custom_components/nvidia_shield/const.py
index b9d1926..648f79c 100644
--- a/custom_components/nvidia_shield/const.py
+++ b/custom_components/nvidia_shield/const.py
@@ -89,6 +89,13 @@ PROTOCOL_REMOTE_KEYS = {
 
 # §7 channel selection: digits only, ~0.1 s apart, no ENTER by default
 # (replicates HA core androidtv_remote's verified behavior).
+# Zeroconf discovery (Phase 4): the Android TV remote service type.
+ZEROCONF_SERVICE_TYPE = "_androidtvremote2._tcp.local."
+
+# P4-1 apps name/icon map (options flow editor): package → friendly name,
+# consumed by app_name after the androidtv-entity and protocol-push tiers.
+CONF_APP_NAME_MAP = "app_name_map"
+
 CHANNEL_DIGIT_DELAY = 0.1
 CONF_CHANNEL_DIGIT_DELAY = "channel_digit_delay"
 CONF_CHANNEL_SEND_ENTER = "channel_send_enter"
diff --git a/custom_components/nvidia_shield/manifest.json b/custom_components/nvidia_shield/manifest.json
index 3529ce3..3a91fb6 100644
--- a/custom_components/nvidia_shield/manifest.json
+++ b/custom_components/nvidia_shield/manifest.json
@@ -13,5 +13,8 @@
     "adb-shell>=0.4.0",
     "androidtvremote2>=0.2.0"
   ],
-  "version": "2026.10.08"
+  "version": "2026.10.08",
+  "zeroconf": [
+    "_androidtvremote2._tcp.local."
+  ]
 }