diff --git a/packages/mobile/src/navigation/RootNavigator.tsx b/packages/mobile/src/navigation/RootNavigator.tsx
index 551ed7ef4..55f12b54e 100644
--- a/packages/mobile/src/navigation/RootNavigator.tsx
+++ b/packages/mobile/src/navigation/RootNavigator.tsx
@@ -6,6 +6,7 @@ import SessionDetailScreen from "../screens/SessionDetailScreen";
 import TerminalScreen from "../screens/TerminalScreen";
 import SettingsScreen from "../screens/SettingsScreen";
 import SpawnSessionScreen from "../screens/SpawnSessionScreen";
+import OrchestratorScreen from "../screens/OrchestratorScreen";
 
 export type RootStackParamList = {
   Home: undefined;
@@ -13,6 +14,7 @@ export type RootStackParamList = {
   Terminal: { sessionId: string; terminalWsUrl: string };
   Settings: undefined;
   SpawnSession: undefined;
+  Orchestrator: undefined;
 };
 
 const Stack = createNativeStackNavigator<RootStackParamList>();
@@ -68,6 +70,11 @@ export default function RootNavigator() {
           component={SpawnSessionScreen}
           options={{ title: "New Session" }}
         />
+        <Stack.Screen
+          name="Orchestrator"
+          component={OrchestratorScreen}
+          options={{ title: "Orchestrator" }}
+        />
       </Stack.Navigator>
     </NavigationContainer>
   );
diff --git a/packages/mobile/src/screens/HomeScreen.tsx b/packages/mobile/src/screens/HomeScreen.tsx
index a6efe1f54..5ee205641 100644
--- a/packages/mobile/src/screens/HomeScreen.tsx
+++ b/packages/mobile/src/screens/HomeScreen.tsx
@@ -38,17 +38,22 @@ export default function HomeScreen({ navigation }: Props) {
   React.useLayoutEffect(() => {
     navigation.setOptions({
       headerRight: () => (
-        <View style={{ flexDirection: "row", alignItems: "center", gap: 12 }}>
+        <View style={{ flexDirection: "row", alignItems: "center", gap: 14 }}>
           <TouchableOpacity
             onPress={() => navigation.navigate("SpawnSession")}
           >
             <Text style={{ color: "#3fb950", fontSize: 22, fontWeight: "700" }}>+</Text>
           </TouchableOpacity>
+          <TouchableOpacity
+            onPress={() => navigation.navigate("Orchestrator")}
+          >
+            <Text style={{ color: "#58a6ff", fontSize: 13, fontWeight: "600" }}>AO</Text>
+          </TouchableOpacity>
           <TouchableOpacity
             onPress={() => navigation.navigate("Settings")}
             style={{ paddingRight: 4 }}
           >
-            <Text style={{ color: "#58a6ff", fontSize: 16 }}>Settings</Text>
+            <Text style={{ fontSize: 20 }}>{"\u2699\uFE0F"}</Text>
           </TouchableOpacity>
         </View>
       ),
diff --git a/packages/mobile/src/screens/OrchestratorScreen.tsx b/packages/mobile/src/screens/OrchestratorScreen.tsx
new file mode 100644
index 000000000..cc33cf53a
--- /dev/null
+++ b/packages/mobile/src/screens/OrchestratorScreen.tsx
@@ -0,0 +1,303 @@
+import React from "react";
+import {
+  View,
+  Text,
+  StyleSheet,
+  ScrollView,
+  TouchableOpacity,
+  ActivityIndicator,
+} from "react-native";
+import type { NativeStackScreenProps } from "@react-navigation/native-stack";
+import type { RootStackParamList } from "../navigation/RootNavigator";
+import { useSessions } from "../hooks/useSessions";
+import { getAttentionLevel, isTerminal, type DashboardSession } from "../types";
+
+type Props = NativeStackScreenProps<RootStackParamList, "Orchestrator">;
+
+const CLI_COMMANDS = [
+  { cmd: "ao start [project]", desc: "Start orchestrator + dashboard" },
+  { cmd: "ao stop [project]", desc: "Stop orchestrator + dashboard" },
+  { cmd: "ao spawn <project> [issue]", desc: "Spawn a session for an issue" },
+  { cmd: "ao batch-spawn <project> <issues...>", desc: "Spawn multiple sessions" },
+  { cmd: "ao session ls [-p <project>]", desc: "List all active sessions" },
+  { cmd: "ao session kill <session>", desc: "Kill a session" },
+  { cmd: "ao session restore <session>", desc: "Restore a crashed session" },
+  { cmd: "ao session cleanup [-p <project>]", desc: "Clean up merged/closed sessions" },
+  { cmd: "ao send <session> [message]", desc: "Send message to a session" },
+  { cmd: "ao status [-p <project>]", desc: "Show sessions with PR/CI status" },
+  { cmd: "ao review-check [project]", desc: "Check PRs and trigger agents" },
+  { cmd: "ao dashboard [-p <port>]", desc: "Start the web dashboard" },
+  { cmd: "ao open [target]", desc: "Open session(s) in terminal" },
+  { cmd: "ao init [project]", desc: "Initialize config file" },
+];
+
+function getZoneCounts(sessions: DashboardSession[]) {
+  const counts = { merge: 0, respond: 0, review: 0, pending: 0, working: 0, done: 0 };
+  for (const s of sessions) {
+    const level = getAttentionLevel(s);
+    counts[level]++;
+  }
+  return counts;
+}
+
+export default function OrchestratorScreen({ navigation }: Props) {
+  const { sessions, stats, loading, error, refresh } = useSessions();
+
+  const orchestratorSession = sessions.find((s) => s.id.endsWith("-orchestrator"));
+  const workerSessions = sessions.filter((s) => !s.id.endsWith("-orchestrator"));
+  const zones = getZoneCounts(workerSessions);
+  const activeSessions = workerSessions.filter((s) => !isTerminal(s));
+
+  if (loading && sessions.length === 0) {
+    return (
+      <View style={styles.center}>
+        <ActivityIndicator color="#58a6ff" size="large" />
+      </View>
+    );
+  }
+
+  if (error && sessions.length === 0) {
+    return (
+      <View style={styles.center}>
+        <Text style={styles.errorText}>{error}</Text>
+        <TouchableOpacity style={styles.retryButton} onPress={refresh}>
+          <Text style={styles.retryText}>Retry</Text>
+        </TouchableOpacity>
+      </View>
+    );
+  }
+
+  return (
+    <ScrollView style={styles.container} contentContainerStyle={styles.content}>
+      {/* Orchestrator Status */}
+      <View style={styles.section}>
+        <Text style={styles.sectionTitle}>Orchestrator</Text>
+        {orchestratorSession ? (
+          <TouchableOpacity
+            style={styles.orchestratorCard}
+            onPress={() => navigation.navigate("SessionDetail", { sessionId: orchestratorSession.id })}
+          >
+            <View style={styles.orchestratorRow}>
+              <View style={[styles.dot, { backgroundColor: "#3fb950" }]} />
+              <Text style={styles.orchestratorText}>Running</Text>
+            </View>
+            <Text style={styles.orchestratorId}>{orchestratorSession.id}</Text>
+            <Text style={styles.orchestratorHint}>Tap to view terminal</Text>
+          </TouchableOpacity>
+        ) : (
+          <View style={styles.orchestratorCard}>
+            <View style={styles.orchestratorRow}>
+              <View style={[styles.dot, { backgroundColor: "#8b949e" }]} />
+              <Text style={[styles.orchestratorText, { color: "#8b949e" }]}>Not running</Text>
+            </View>
+            <Text style={styles.orchestratorHint}>Start with: ao start &lt;project&gt;</Text>
+          </View>
+        )}
+      </View>
+
+      {/* Zone Overview */}
+      <View style={styles.section}>
+        <Text style={styles.sectionTitle}>Session Zones</Text>
+        <View style={styles.zonesGrid}>
+          <ZoneBadge label="Merge" count={zones.merge} color="#3fb950" />
+          <ZoneBadge label="Respond" count={zones.respond} color="#f85149" />
+          <ZoneBadge label="Review" count={zones.review} color="#d29922" />
+          <ZoneBadge label="Pending" count={zones.pending} color="#e3b341" />
+          <ZoneBadge label="Working" count={zones.working} color="#58a6ff" />
+          <ZoneBadge label="Done" count={zones.done} color="#8b949e" />
+        </View>
+      </View>
+
+      {/* Stats */}
+      <View style={styles.section}>
+        <Text style={styles.sectionTitle}>Overview</Text>
+        <StatRow label="Total sessions" value={String(stats?.totalSessions ?? sessions.length)} />
+        <StatRow label="Active sessions" value={String(activeSessions.length)} />
+        <StatRow label="Open PRs" value={String(stats?.openPRs ?? 0)} />
+        <StatRow label="Needs review" value={String(stats?.needsReview ?? 0)} />
+      </View>
+
+      {/* CLI Reference */}
+      <View style={styles.section}>
+        <Text style={styles.sectionTitle}>CLI Commands</Text>
+        <Text style={styles.hint}>Quick reference for managing sessions from terminal.</Text>
+        {CLI_COMMANDS.map((c, i) => (
+          <View key={i} style={styles.cmdRow}>
+            <Text style={styles.cmdText}>{c.cmd}</Text>
+            <Text style={styles.cmdDesc}>{c.desc}</Text>
+          </View>
+        ))}
+      </View>
+    </ScrollView>
+  );
+}
+
+function ZoneBadge({ label, count, color }: { label: string; count: number; color: string }) {
+  return (
+    <View style={styles.zoneBadge}>
+      <Text style={[styles.zoneCount, { color }]}>{count}</Text>
+      <Text style={styles.zoneLabel}>{label}</Text>
+    </View>
+  );
+}
+
+function StatRow({ label, value }: { label: string; value: string }) {
+  return (
+    <View style={styles.statRow}>
+      <Text style={styles.statLabel}>{label}</Text>
+      <Text style={styles.statValue}>{value}</Text>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: "#0d1117",
+  },
+  content: {
+    padding: 14,
+    paddingBottom: 32,
+    gap: 12,
+  },
+  center: {
+    flex: 1,
+    alignItems: "center",
+    justifyContent: "center",
+    padding: 24,
+    backgroundColor: "#0d1117",
+  },
+  section: {
+    backgroundColor: "#161b22",
+    borderRadius: 10,
+    padding: 16,
+  },
+  sectionTitle: {
+    color: "#8b949e",
+    fontSize: 11,
+    fontWeight: "700",
+    letterSpacing: 0.8,
+    textTransform: "uppercase",
+    marginBottom: 12,
+  },
+  hint: {
+    color: "#8b949e",
+    fontSize: 13,
+    lineHeight: 18,
+    marginBottom: 12,
+  },
+  // Orchestrator card
+  orchestratorCard: {
+    backgroundColor: "#0d1117",
+    borderWidth: 1,
+    borderColor: "#30363d",
+    borderRadius: 8,
+    padding: 14,
+  },
+  orchestratorRow: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: 8,
+    marginBottom: 6,
+  },
+  dot: {
+    width: 10,
+    height: 10,
+    borderRadius: 5,
+  },
+  orchestratorText: {
+    color: "#3fb950",
+    fontSize: 15,
+    fontWeight: "600",
+  },
+  orchestratorId: {
+    color: "#8b949e",
+    fontSize: 12,
+    fontFamily: "monospace",
+    marginBottom: 4,
+  },
+  orchestratorHint: {
+    color: "#6e7681",
+    fontSize: 12,
+  },
+  // Zones grid
+  zonesGrid: {
+    flexDirection: "row",
+    flexWrap: "wrap",
+    gap: 8,
+  },
+  zoneBadge: {
+    backgroundColor: "#0d1117",
+    borderWidth: 1,
+    borderColor: "#30363d",
+    borderRadius: 8,
+    paddingVertical: 10,
+    paddingHorizontal: 14,
+    alignItems: "center",
+    minWidth: 90,
+    flex: 1,
+  },
+  zoneCount: {
+    fontSize: 22,
+    fontWeight: "700",
+  },
+  zoneLabel: {
+    color: "#8b949e",
+    fontSize: 11,
+    fontWeight: "600",
+    marginTop: 2,
+  },
+  // Stats
+  statRow: {
+    flexDirection: "row",
+    justifyContent: "space-between",
+    paddingVertical: 6,
+  },
+  statLabel: {
+    color: "#8b949e",
+    fontSize: 13,
+  },
+  statValue: {
+    color: "#e6edf3",
+    fontSize: 13,
+    fontWeight: "600",
+  },
+  // CLI commands
+  cmdRow: {
+    backgroundColor: "#0d1117",
+    borderRadius: 6,
+    padding: 10,
+    marginBottom: 6,
+    borderWidth: 1,
+    borderColor: "#30363d",
+  },
+  cmdText: {
+    color: "#58a6ff",
+    fontSize: 12,
+    fontFamily: "monospace",
+    marginBottom: 4,
+  },
+  cmdDesc: {
+    color: "#8b949e",
+    fontSize: 12,
+  },
+  // Error
+  errorText: {
+    color: "#f85149",
+    fontSize: 14,
+    textAlign: "center",
+    marginBottom: 16,
+  },
+  retryButton: {
+    backgroundColor: "#21262d",
+    borderWidth: 1,
+    borderColor: "#30363d",
+    borderRadius: 6,
+    paddingHorizontal: 16,
+    paddingVertical: 8,
+  },
+  retryText: {
+    color: "#e6edf3",
+    fontSize: 14,
+  },
+});