diff --git a/.github/workflows/celest_core.yaml b/.github/workflows/celest_core.yaml
index f931c818..419ffaa5 100644
--- a/.github/workflows/celest_core.yaml
+++ b/.github/workflows/celest_core.yaml
@@ -31,10 +31,27 @@ jobs:
       - name: Format
         working-directory: packages/celest_core
         run: dart format --set-exit-if-changed .
-  test:
+  test_dart:
+    needs: analyze_and_format
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # 4.1.1
+      - name: Setup Flutter
+        uses: subosito/flutter-action@62f096cacda5168a3bd7b95793373be14fa4fbaf # 2.13.0
+        with:
+          cache: true
+      - name: Get Packages
+        working-directory: packages/celest_core
+        run: dart pub get
+      - name: Test
+        working-directory: packages/celest_core
+        run: dart test
+  test_flutter_darwin:
     needs: analyze_and_format
     runs-on: macos-13-large
-    timeout-minutes: 15
+    timeout-minutes: 10
     steps:
       - name: Git Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # 4.1.1
@@ -51,13 +68,35 @@ jobs:
       - name: Get Packages (Example)
         working-directory: packages/celest_core/example
         run: flutter pub get
-      - name: Test (Example)
+      - name: Setup iOS Simulator
+        uses: aws-amplify/amplify-flutter/.github/composite_actions/launch_ios_simulator@main
+      - name: Test (iOS)
+        working-directory: packages/celest_core/example
+        run: flutter test -d iPhone integration_test/secure_storage_test.dart
+      - name: Test (macOS)
+        working-directory: packages/celest_core/example
+        run: flutter test -d macos integration_test/secure_storage_test.dart
+  test_flutter_android:
+    needs: analyze_and_format
+    runs-on: linux
+    timeout-minutes: 15
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # 4.1.1
+      - name: Setup Flutter
+        uses: subosito/flutter-action@62f096cacda5168a3bd7b95793373be14fa4fbaf # 2.13.0
+        with:
+          cache: true
+      - name: Get Packages
+        working-directory: packages/celest_core/example
+        run: flutter pub get
+      - name: Test (Android)
         uses: aws-amplify/amplify-flutter/.github/composite_actions/launch_android_emulator@main
         with:
-          api-level: 34
+          # Matches `package:jni` compileSdkVersion
+          # https://github.com/dart-lang/native/blob/001910c9f40d637cb25c19bb500fb89cebdf7450/pkgs/jni/android/build.gradle#L57C23-L57C25
+          api-level: 31
+          arch: x86_64
           script: |
             cd packages/celest_core/example
-            for OS in sdk iPhone macos
-            do
-              flutter test -d $OS integration_test/secure_storage_test.dart
-            done
+            flutter test -d sdk integration_test/secure_storage_test.dart
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 290fa83f..00000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-    "files.associations": {
-        "__locale": "cpp",
-        "locale": "cpp"
-    }
-}
\ No newline at end of file
diff --git a/packages/celest_core/CHANGELOG.md b/packages/celest_core/CHANGELOG.md
index f1399e1f..11aef13b 100644
--- a/packages/celest_core/CHANGELOG.md
+++ b/packages/celest_core/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## 0.2.2-wip
 
-- Adds `Keychain` interface for secure storage of sensitive data.
+- Adds `SecureStorage` interface for storage of sensitive data in the platform keychain.
 
 ## 0.2.1
 
diff --git a/packages/celest_core/android/src/main/kotlin/dev/celest/celest_core/CelestSecureStorage.kt b/packages/celest_core/android/src/main/kotlin/dev/celest/celest_core/CelestSecureStorage.kt
index 1aa4a3f4..cb95e425 100644
--- a/packages/celest_core/android/src/main/kotlin/dev/celest/celest_core/CelestSecureStorage.kt
+++ b/packages/celest_core/android/src/main/kotlin/dev/celest/celest_core/CelestSecureStorage.kt
@@ -38,7 +38,7 @@ class CelestSecureStorage(private val mainActivity: Activity, private val scope:
         }
     }
 
-    fun read(dataKey: String): String? = sharedPreferences.getString(dataKey, null)
+    fun read(dataKey: String): String? = sharedPreferences.
 
     fun delete(dataKey: String): String? {
         val current = read(dataKey)
diff --git a/packages/celest_core/example/integration_test/secure_storage_shared.dart b/packages/celest_core/example/integration_test/secure_storage_shared.dart
index fe7e8a49..cdf4f1b1 100644
--- a/packages/celest_core/example/integration_test/secure_storage_shared.dart
+++ b/packages/celest_core/example/integration_test/secure_storage_shared.dart
@@ -51,14 +51,36 @@ void sharedTests() {
       });
 
       test('can delete a non-existent key', () {
+        expect(storage.read(key), isNull);
         expect(() => storage.delete(key), returnsNormally);
-        expect(() => storage.delete(key), returnsNormally);
-        expect(() => storage.delete(key), returnsNormally);
       });
     });
 
-    group('read/write/delete can handle key value pairs of varying length', () {
-      for (final (length, s) in largeKeyValuePairs) {
+    group('clear', () {
+      const key1 = 'key1';
+      const key2 = 'key2';
+      const value1 = 'value1';
+      const value2 = 'value2';
+
+      test('removes all keys from storage', () {
+        storage.write(key1, value1);
+        storage.write(key2, value2);
+        expect(storage.read(key1), value1);
+        expect(storage.read(key2), value2);
+
+        storage.clear();
+
+        expect(storage.read(key1), isNull, reason: 'Storage was cleared');
+        expect(storage.read(key2), isNull, reason: 'Storage was cleared');
+      });
+
+      test('does not throw when no items present', () {
+        expect(storage.clear, returnsNormally);
+      });
+    });
+
+    group('large values', () {
+      for (final (length, s) in _largeKeyValuePairs) {
         test('can store key/value with length $length', () {
           storage.write(s, s);
           expect(storage.read(s), s, reason: 'Value was written');
@@ -72,7 +94,7 @@ void sharedTests() {
 }
 
 final _random = Random();
-Iterable<(int, String)> get largeKeyValuePairs sync* {
+Iterable<(int, String)> get _largeKeyValuePairs sync* {
   for (final length in const [100, 1000, 10000]) {
     final string = String.fromCharCodes(
       List.generate(length, (_) => _random.nextInt(255) + 1),
diff --git a/packages/celest_core/lib/src/secure_storage/secure_storage.android.dart b/packages/celest_core/lib/src/secure_storage/secure_storage.android.dart
index a9b0c3df..7db250a4 100644
--- a/packages/celest_core/lib/src/secure_storage/secure_storage.android.dart
+++ b/packages/celest_core/lib/src/secure_storage/secure_storage.android.dart
@@ -28,8 +28,13 @@ final class SecureStoragePlatformAndroid extends SecureStoragePlatform {
   }
 
   @override
-  String? read(String key) =>
-      _secureStorage.read(key.toJString()).toDartString();
+  String? read(String key) {
+    final value = _secureStorage.read(key.toJString());
+    if (value.isNull) {
+      return null;
+    }
+    return value.toDartString();
+  }
 
   @override
   String write(String key, String value) {
diff --git a/packages/celest_core/test/secure_storage/secure_storage_darwin_test.dart b/packages/celest_core/test/secure_storage/secure_storage_darwin_test.dart
index 4137b3ea..0a3e1197 100644
--- a/packages/celest_core/test/secure_storage/secure_storage_darwin_test.dart
+++ b/packages/celest_core/test/secure_storage/secure_storage_darwin_test.dart
@@ -1,52 +1,10 @@
 @TestOn('mac-os')
 
 import 'package:celest_core/src/native/darwin/security.ffi.dart';
-import 'package:celest_core/src/secure_storage/secure_storage.dart';
 import 'package:celest_core/src/secure_storage/secure_storage.darwin.dart';
 import 'package:test/test.dart';
 
-const key1 = 'key1';
-const key2 = 'key2';
-const value1 = 'value1';
-const value2 = 'value2';
-
 void main() {
-  group('SecureStorage', () {
-    group('macos', () {
-      group('clear', () {
-        final storage = SecureStorage(scope: 'clear');
-
-        setUp(() {
-          storage.clear();
-        });
-
-        tearDown(() {
-          storage.clear();
-        });
-
-        test('removes all keys from storage', () {
-          // seed storage and confirm values are present
-          storage
-            ..write(key1, value1)
-            ..write(key2, value2);
-          expect(storage.read(key1), value1);
-          expect(storage.read(key2), value2);
-
-          // remove all
-          storage.clear();
-
-          // assert all data was removed
-          expect(storage.read(key1), isNull);
-          expect(storage.read(key2), isNull);
-        });
-
-        test('does not throw when no items present', () {
-          expect(storage.clear, returnsNormally);
-        });
-      });
-    });
-  });
-
   group('SecurityFrameworkException', () {
     test('errSecInvalidOwnerEdit', () {
       final error = SecurityFrameworkException.fromStatus(
diff --git a/packages/celest_core/test/secure_storage/secure_storage_test.dart b/packages/celest_core/test/secure_storage/secure_storage_test.dart
index 3fc45291..581b6be9 100644
--- a/packages/celest_core/test/secure_storage/secure_storage_test.dart
+++ b/packages/celest_core/test/secure_storage/secure_storage_test.dart
@@ -1,5 +1,3 @@
 import '../../example/integration_test/secure_storage_shared.dart';
 
-void main() {
-  sharedTests();
-}
+void main() => sharedTests();