diff --git a/app/src/androidTest/java/org/mozilla/fenix/ui/CustomTabsTest.kt b/app/src/androidTest/java/org/mozilla/fenix/ui/CustomTabsTest.kt
new file mode 100644
index 0000000000..659e497ebd
--- /dev/null
+++ b/app/src/androidTest/java/org/mozilla/fenix/ui/CustomTabsTest.kt
@@ -0,0 +1,137 @@
+package org.mozilla.fenix.ui
+
+import androidx.core.net.toUri
+import androidx.test.rule.ActivityTestRule
+import androidx.test.rule.GrantPermissionRule
+import okhttp3.mockwebserver.MockWebServer
+import org.junit.After
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.mozilla.fenix.IntentReceiverActivity
+import org.mozilla.fenix.customannotations.SmokeTest
+import org.mozilla.fenix.helpers.AndroidAssetDispatcher
+import org.mozilla.fenix.helpers.HomeActivityIntentTestRule
+import org.mozilla.fenix.helpers.TestAssetHelper
+import org.mozilla.fenix.helpers.TestHelper.createCustomTabIntent
+import org.mozilla.fenix.helpers.TestHelper.openAppFromExternalLink
+import org.mozilla.fenix.ui.robots.browserScreen
+import org.mozilla.fenix.ui.robots.customTabScreen
+import org.mozilla.fenix.ui.robots.mDevice
+import org.mozilla.fenix.ui.robots.navigationToolbar
+import org.mozilla.fenix.ui.robots.notificationShade
+import org.mozilla.fenix.ui.robots.openEditURLView
+import org.mozilla.fenix.ui.robots.searchScreen
+
+class CustomTabsTest {
+    private lateinit var mockWebServer: MockWebServer
+    private val customMenuItem = "TestMenuItem"
+
+    @get:Rule
+    val activityTestRule = HomeActivityIntentTestRule()
+
+    @get: Rule
+    val intentReceiverActivityTestRule = ActivityTestRule(
+        IntentReceiverActivity::class.java, true, false
+    )
+
+    @get:Rule
+    var mGrantPermissions = GrantPermissionRule.grant(
+        android.Manifest.permission.WRITE_EXTERNAL_STORAGE
+    )
+
+    @Before
+    fun setUp() {
+        mockWebServer = MockWebServer().apply {
+            dispatcher = AndroidAssetDispatcher()
+            start()
+        }
+    }
+
+    @After
+    fun tearDown() {
+        mockWebServer.shutdown()
+    }
+
+    @SmokeTest
+    @Test
+    fun customTabCopyToolbarUrlTest() {
+        val customTabPage = TestAssetHelper.getGenericAsset(mockWebServer, 1)
+
+        intentReceiverActivityTestRule.launchActivity(
+            createCustomTabIntent(
+                customTabPage.url.toString(),
+                customMenuItem
+            )
+        )
+
+        customTabScreen {
+            longCLickAndCopyToolbarUrl()
+        }
+
+        openAppFromExternalLink(customTabPage.url.toString())
+
+        navigationToolbar {
+            openEditURLView()
+        }
+
+        searchScreen {
+            clickClearButton()
+            longClickToolbar()
+            clickPasteText()
+            verifyPastedToolbarText(customTabPage.url.toString())
+        }
+    }
+
+    @SmokeTest
+    @Test
+    fun customTabShareTextTest() {
+        val customTabPage = TestAssetHelper.getGenericAsset(mockWebServer, 1)
+
+        intentReceiverActivityTestRule.launchActivity(
+            createCustomTabIntent(
+                customTabPage.url.toString(),
+                customMenuItem
+            )
+        )
+
+        customTabScreen {
+            waitForPageToLoad()
+        }
+
+        browserScreen {
+            longClickMatchingText("content")
+        }.clickShareSelectedText {
+            verifyAndroidShareLayout()
+        }
+    }
+
+    @SmokeTest
+    @Test
+    fun customTabDownloadTest() {
+        val customTabPage = "https://storage.googleapis.com/mobile_test_assets/test_app/downloads.html"
+        val downloadFile = "web_icon.png"
+
+        intentReceiverActivityTestRule.launchActivity(
+            createCustomTabIntent(
+                customTabPage.toUri().toString(),
+                customMenuItem
+            )
+        )
+
+        customTabScreen {
+            waitForPageToLoad()
+        }
+
+        browserScreen {
+        }.clickDownloadLink(downloadFile) {
+            verifyDownloadPrompt(downloadFile)
+        }.clickDownload {
+            verifyDownloadNotificationPopup()
+        }
+        mDevice.openNotification()
+        notificationShade {
+            verifySystemNotificationExists("Download completed")
+        }
+    }
+}
diff --git a/app/src/androidTest/java/org/mozilla/fenix/ui/robots/CustomTabRobot.kt b/app/src/androidTest/java/org/mozilla/fenix/ui/robots/CustomTabRobot.kt
index 136bf652b3..da9b57e197 100644
--- a/app/src/androidTest/java/org/mozilla/fenix/ui/robots/CustomTabRobot.kt
+++ b/app/src/androidTest/java/org/mozilla/fenix/ui/robots/CustomTabRobot.kt
@@ -10,9 +10,11 @@ import androidx.test.espresso.matcher.ViewMatchers.isDisplayed
 import androidx.test.espresso.matcher.ViewMatchers.withContentDescription
 import androidx.test.espresso.matcher.ViewMatchers.withId
 import androidx.test.espresso.matcher.ViewMatchers.withText
+import androidx.test.uiautomator.By
 import androidx.test.uiautomator.UiSelector
 import junit.framework.TestCase.assertTrue
 import org.mozilla.fenix.R
+import org.mozilla.fenix.helpers.Constants.LONG_CLICK_DURATION
 import org.mozilla.fenix.helpers.TestAssetHelper.waitingTime
 import org.mozilla.fenix.helpers.TestHelper.appName
 import org.mozilla.fenix.helpers.TestHelper.packageName
@@ -74,6 +76,16 @@ class CustomTabRobot {
         )
     }
 
+    fun longCLickAndCopyToolbarUrl() {
+        mDevice.waitForObjects(mDevice.findObject(UiSelector().resourceId("$packageName:id/toolbar")))
+        customTabToolbar().click(LONG_CLICK_DURATION)
+        mDevice.findObject(UiSelector().textContains("Copy")).waitForExists(waitingTime)
+        val copyText = mDevice.findObject(By.textContains("Copy"))
+        copyText.click()
+    }
+
+    fun waitForPageToLoad() = progressBar.waitUntilGone(waitingTime)
+
     class Transition {
         fun openMainMenu(interact: CustomTabRobot.() -> Unit): Transition {
             mainMenuButton().waitForExists(waitingTime)
@@ -112,3 +124,10 @@ private fun forwardButton() = mDevice.findObject(UiSelector().description("Forwa
 private fun backButton() = mDevice.findObject(UiSelector().description("Back"))
 
 private fun closeButton() = onView(withContentDescription("Return to previous app"))
+
+private fun customTabToolbar() = mDevice.findObject(By.res("$packageName:id/toolbar"))
+
+private val progressBar =
+    mDevice.findObject(
+        UiSelector().resourceId("$packageName:id/mozac_browser_toolbar_progress")
+    )