diff --git a/apps/android/app/src/main/AndroidManifest.xml b/apps/android/app/src/main/AndroidManifest.xml
index 31a9fb6e1e7..801623083d2 100644
--- a/apps/android/app/src/main/AndroidManifest.xml
+++ b/apps/android/app/src/main/AndroidManifest.xml
@@ -80,6 +80,10 @@
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.ASSIST" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
         </activity>
     </application>
 </manifest>
diff --git a/apps/android/app/src/main/java/ai/openclaw/app/ui/SettingsSheet.kt b/apps/android/app/src/main/java/ai/openclaw/app/ui/SettingsSheet.kt
index 7a503c1ff41..7b85b9bcb01 100644
--- a/apps/android/app/src/main/java/ai/openclaw/app/ui/SettingsSheet.kt
+++ b/apps/android/app/src/main/java/ai/openclaw/app/ui/SettingsSheet.kt
@@ -9,6 +9,7 @@ import android.hardware.SensorManager
 import android.net.Uri
 import android.os.Build
 import android.provider.Settings
+import android.app.role.RoleManager
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.background
@@ -150,6 +151,8 @@ fun SettingsSheet(viewModel: MainViewModel) {
         versionName
       }
     }
+  var assistantRoleAvailable by remember(context) { mutableStateOf(isAssistantRoleAvailable(context)) }
+  var assistantRoleHeld by remember(context) { mutableStateOf(isAssistantRoleHeld(context)) }
   val listItemColors =
     ListItemDefaults.colors(
       containerColor = Color.Transparent,
@@ -326,6 +329,12 @@ fun SettingsSheet(viewModel: MainViewModel) {
       viewModel.refreshGatewayConnection()
     }
 
+  val assistantRoleLauncher =
+    rememberLauncherForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+      assistantRoleAvailable = isAssistantRoleAvailable(context)
+      assistantRoleHeld = isAssistantRoleHeld(context)
+    }
+
   DisposableEffect(lifecycleOwner, context) {
     val observer =
       LifecycleEventObserver { _, event ->
@@ -362,6 +371,8 @@ fun SettingsSheet(viewModel: MainViewModel) {
             ||
               ContextCompat.checkSelfPermission(context, Manifest.permission.READ_SMS) ==
               PackageManager.PERMISSION_GRANTED
+          assistantRoleAvailable = isAssistantRoleAvailable(context)
+          assistantRoleHeld = isAssistantRoleHeld(context)
         }
       }
     lifecycleOwner.lifecycle.addObserver(observer)
@@ -478,6 +489,42 @@ fun SettingsSheet(viewModel: MainViewModel) {
               color = mobileTextTertiary,
             )
           }
+          if (assistantRoleAvailable) {
+            HorizontalDivider(color = mobileBorder)
+            ListItem(
+              modifier = Modifier.fillMaxWidth(),
+              colors = listItemColors,
+              headlineContent = { Text("Default Assistant", style = mobileHeadline) },
+              supportingContent = {
+                Text(
+                  if (assistantRoleHeld) {
+                    "OpenClaw is registered as the device assistant."
+                  } else {
+                    "Let Android launch OpenClaw from the assistant gesture. Google Assistant App Actions still work separately."
+                  },
+                  style = mobileCallout,
+                )
+              },
+              trailingContent = {
+                Button(
+                  onClick = {
+                    assistantRoleLauncher.launch(
+                      context
+                        .getSystemService(RoleManager::class.java)
+                        .createRequestRoleIntent(RoleManager.ROLE_ASSISTANT),
+                    )
+                  },
+                  colors = settingsPrimaryButtonColors(),
+                  shape = RoundedCornerShape(14.dp),
+                ) {
+                  Text(
+                    if (assistantRoleHeld) "Manage" else "Enable",
+                    style = mobileCallout.copy(fontWeight = FontWeight.Bold),
+                  )
+                }
+              },
+            )
+          }
         }
       }
 
@@ -1294,3 +1341,11 @@ private fun hasMotionCapabilities(context: Context): Boolean {
   return sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER) != null ||
     sensorManager.getDefaultSensor(Sensor.TYPE_STEP_COUNTER) != null
 }
+
+private fun isAssistantRoleAvailable(context: Context): Boolean {
+  return context.getSystemService(RoleManager::class.java).isRoleAvailable(RoleManager.ROLE_ASSISTANT)
+}
+
+private fun isAssistantRoleHeld(context: Context): Boolean {
+  return context.getSystemService(RoleManager::class.java).isRoleHeld(RoleManager.ROLE_ASSISTANT)
+}