diff --git a/e2e/config/matrix.yml b/e2e/config/matrix.yml
index a551be192..4053c22a4 100644
--- a/e2e/config/matrix.yml
+++ b/e2e/config/matrix.yml
@@ -7,9 +7,14 @@ tags:
   include:
     - launch
     - cart
+    - checkout
   exclude:
     - flaky
     - wip
+    # The remaining `full` tests place a real order and live under tests/react-native/,
+    # so they cannot run on the Swift and Kotlin rows. Drop this entry when the shared
+    # ordering tests replace them.
+    - full
 applications:
   - id: react-native-ios
     target: react-native
diff --git a/e2e/flows/checkout/assert-dismissed.yaml b/e2e/flows/checkout/assert-dismissed.yaml
new file mode 100644
index 000000000..77ad554a5
--- /dev/null
+++ b/e2e/flows/checkout/assert-dismissed.yaml
@@ -0,0 +1,14 @@
+appId: ${E2E_APP_ID}
+---
+# The close control is the one element that exists only while checkout is on screen, so its
+# absence proves dismissal. Asserting on checkout copy instead would be wrong: the React
+# Native catalog sells a product called "Email", which the checkout field pattern matches.
+# close.yaml lists why the identifier differs per SDK version. Only one of the three is ever
+# present, so all three must be absent once the sheet is gone.
+- extendedWaitUntil:
+    notVisible:
+      id: "shopify_checkout_kit_close_button"
+    timeout: 30000
+- assertNotVisible:
+    id: "checkoutKitCloseBtn"
+- assertNotVisible: "Close"
diff --git a/e2e/flows/checkout/assert-returned-to-empty-cart.yaml b/e2e/flows/checkout/assert-returned-to-empty-cart.yaml
index ba7f925ed..34ef280a4 100644
--- a/e2e/flows/checkout/assert-returned-to-empty-cart.yaml
+++ b/e2e/flows/checkout/assert-returned-to-empty-cart.yaml
@@ -1,20 +1,6 @@
 appId: ${E2E_APP_ID}
 ---
-# RN E2E runs against released native SDK artifacts. Android 4.0.0-alpha.2
-# still exposes checkoutKitCloseBtn; #333 normalized the source id to
-# shopify_checkout_kit_close_button. When RN nativeSdkVersions point at native
-# SDK releases containing #333, replace this platform split with that id.
-- runFlow:
-    when:
-      platform: android
-    commands:
-      - tapOn:
-          id: checkoutKitCloseBtn
-- runFlow:
-    when:
-      platform: ios
-    commands:
-      - tapOn: "Close"
+- runFlow: close.yaml
 
 - extendedWaitUntil:
     visible:
diff --git a/e2e/flows/checkout/close.yaml b/e2e/flows/checkout/close.yaml
new file mode 100644
index 000000000..8bd61d89f
--- /dev/null
+++ b/e2e/flows/checkout/close.yaml
@@ -0,0 +1,27 @@
+appId: ${E2E_APP_ID}
+---
+# The close control carries a different identifier per SDK version, not per platform.
+# The Swift and Kotlin samples build the in-repo SDK, which uses the normalized id from
+# #333. React Native resolves released 4.0.0-alpha.2 artifacts, where Android still
+# exposes checkoutKitCloseBtn and iOS exposes only the "Close" label. Delete the two
+# fallback branches once nativeSdkVersions point at releases containing #333.
+- runFlow:
+    when:
+      visible:
+        id: "shopify_checkout_kit_close_button"
+    commands:
+      - tapOn:
+          id: "shopify_checkout_kit_close_button"
+- runFlow:
+    when:
+      visible:
+        id: "checkoutKitCloseBtn"
+    commands:
+      - tapOn:
+          id: "checkoutKitCloseBtn"
+- runFlow:
+    when:
+      visible: "Close"
+    commands:
+      - tapOn: "Close"
+- waitForAnimationToEnd
diff --git a/e2e/scripts/run_maestro b/e2e/scripts/run_maestro
index 93a138ee0..b3d19513c 100755
--- a/e2e/scripts/run_maestro
+++ b/e2e/scripts/run_maestro
@@ -6,6 +6,9 @@
 #
 # Every platform runner calls this script, so the environment contract has exactly one
 # definition. Maestro exits non-zero when a tag or the flows glob matches nothing.
+#
+# Set E2E_DEVICE_ID when the caller already knows which device holds the installed app.
+# Maestro otherwise picks a device itself, and it can pick one the app is missing from.
 set -euo pipefail
 
 PLATFORM="${1:?platform (ios|android) is required}"
@@ -13,6 +16,7 @@ APP_ID="${2:?app id is required}"
 READY_MARKER="${3:?ready marker is required}"
 INCLUDE_TAGS="${4:-}"
 EXCLUDE_TAGS="${5:-}"
+DEVICE_ID="${E2E_DEVICE_ID:-}"
 
 E2E_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 
@@ -26,7 +30,13 @@ MAESTRO="$("$E2E_ROOT/scripts/maestro_bin")"
 # than passed. e2e/lib/e2e_matrix_to_browserstack_run_plan.rb derives it the same way for CI.
 CONTROL_LINK="${APP_ID}://e2e"
 
-MAESTRO_ARGS=(--platform "$PLATFORM" test --config config.yaml)
+MAESTRO_ARGS=(--platform "$PLATFORM")
+
+if [ -n "$DEVICE_ID" ]; then
+  MAESTRO_ARGS+=(--device "$DEVICE_ID")
+fi
+
+MAESTRO_ARGS+=(test --config config.yaml)
 
 if [ -n "$INCLUDE_TAGS" ]; then
   MAESTRO_ARGS+=(--include-tags "$INCLUDE_TAGS")
diff --git a/e2e/test/e2e_matrix_to_browserstack_run_plan_test.rb b/e2e/test/e2e_matrix_to_browserstack_run_plan_test.rb
index 5b67a9d62..b37a8c13b 100644
--- a/e2e/test/e2e_matrix_to_browserstack_run_plan_test.rb
+++ b/e2e/test/e2e_matrix_to_browserstack_run_plan_test.rb
@@ -41,8 +41,8 @@ def test_a_run_executes_the_workspace_root_so_the_config_glob_resolves
   def test_a_run_carries_the_default_tags
     run = run_for("swift-ios")
 
-    assert_equal ["launch", "cart"], run.fetch("include_tags")
-    assert_equal ["flaky", "wip"], run.fetch("exclude_tags")
+    assert_equal ["launch", "cart", "checkout"], run.fetch("include_tags")
+    assert_equal ["flaky", "wip", "full"], run.fetch("exclude_tags")
   end
 
   def test_an_application_overrides_the_default_tags
diff --git a/e2e/tests/react-native/checkout-hardcoded-buyer-identity.yaml b/e2e/tests/react-native/checkout-hardcoded-buyer-identity.yaml
index 386d21710..47215670e 100644
--- a/e2e/tests/react-native/checkout-hardcoded-buyer-identity.yaml
+++ b/e2e/tests/react-native/checkout-hardcoded-buyer-identity.yaml
@@ -2,7 +2,8 @@ appId: ${E2E_APP_ID}
 name: React Native checkout - hardcoded buyer identity
 tags:
   - checkout
-  - smoke
+  # This test submits a real order, so it belongs to the expensive tier.
+  - full
 
 env:
   # Sample app buyer identity configuration
diff --git a/e2e/tests/shared/checkout-present-and-close.yaml b/e2e/tests/shared/checkout-present-and-close.yaml
new file mode 100644
index 000000000..9ce835c1e
--- /dev/null
+++ b/e2e/tests/shared/checkout-present-and-close.yaml
@@ -0,0 +1,16 @@
+appId: ${E2E_APP_ID}
+name: Present checkout and close it
+tags:
+  - checkout
+  - smoke
+
+env:
+  # No buyerIdentityMode: this test asserts presentation and dismissal, not identity.
+  E2E_CART_PARAMS: "productIndex=0&quantity=1"
+---
+- runFlow: ../../flows/app/bootstrap-cart-from-link.yaml
+- runFlow: ../../flows/checkout/present.yaml
+- runFlow: ../../flows/checkout/close.yaml
+# The four targets return to different screens, so this test asserts dismissal only.
+# The tests that place an order assert what the cart holds afterwards.
+- runFlow: ../../flows/checkout/assert-dismissed.yaml
diff --git a/platforms/android/scripts/e2e_maestro b/platforms/android/scripts/e2e_maestro
index 2ffa70a2c..7a27701f9 100755
--- a/platforms/android/scripts/e2e_maestro
+++ b/platforms/android/scripts/e2e_maestro
@@ -71,17 +71,22 @@ require_maestro() {
   fi
 }
 
-require_emulator() {
-  if ! adb devices | grep -q "[[:space:]]device$"; then
-    echo "No running Android device or emulator found." >&2
-    echo "Start an emulator first, because Maestro drives the device the app runs on." >&2
-    return 1
-  fi
+attached_device() {
+  adb devices | awk '$2 == "device" { print $1; exit }'
 }
 
 require_maestro
-require_emulator
+
+DEVICE_ID="$(attached_device || true)"
+if [ -z "$DEVICE_ID" ]; then
+  echo "No running Android device or emulator found." >&2
+  echo "Start an emulator first, because Maestro drives the device the app runs on." >&2
+  exit 1
+fi
+
+echo "Using device: $DEVICE_ID"
 
 "$SAMPLE_DIR/gradlew" -p "$SAMPLE_DIR" :app:installDebug --console=plain
 
-"$REPO_ROOT/e2e/scripts/run_maestro" android "$APP_ID" "$READY_MARKER" "$INCLUDE_TAGS" "$EXCLUDE_TAGS"
+E2E_DEVICE_ID="$DEVICE_ID" \
+  "$REPO_ROOT/e2e/scripts/run_maestro" android "$APP_ID" "$READY_MARKER" "$INCLUDE_TAGS" "$EXCLUDE_TAGS"
diff --git a/platforms/swift/Scripts/e2e_maestro b/platforms/swift/Scripts/e2e_maestro
index 0ee23c493..456de3cbb 100755
--- a/platforms/swift/Scripts/e2e_maestro
+++ b/platforms/swift/Scripts/e2e_maestro
@@ -113,4 +113,5 @@ fi
 
 xcrun simctl install "$SIMULATOR_ID" "$APP_PATH"
 
-"$REPO_ROOT/e2e/scripts/run_maestro" ios "$APP_ID" "$READY_MARKER" "$INCLUDE_TAGS" "$EXCLUDE_TAGS"
+E2E_DEVICE_ID="$SIMULATOR_ID" \
+  "$REPO_ROOT/e2e/scripts/run_maestro" ios "$APP_ID" "$READY_MARKER" "$INCLUDE_TAGS" "$EXCLUDE_TAGS"