diff --git a/packages/react-native/ReactCxxPlatform/react/coremodules/AppStateModule.cpp b/packages/react-native/ReactCxxPlatform/react/coremodules/AppStateModule.cpp
new file mode 100644
index 00000000000..9b940006362
--- /dev/null
+++ b/packages/react-native/ReactCxxPlatform/react/coremodules/AppStateModule.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include "AppStateModule.h"
+
+namespace facebook::react {
+
+AppStateConstants AppStateModule::getConstants(jsi::Runtime& /*rt*/) {
+  // TODO: T160890586 Wire up AppState implementation to use real data
+  return AppStateConstants{.initialAppState = ""};
+}
+
+void AppStateModule::getCurrentAppState(
+    jsi::Runtime& /*rt*/,
+    const AsyncCallback<AppState>& /*success*/,
+    jsi::Function /*error*/) {}
+
+void AppStateModule::addListener(
+    jsi::Runtime& /*rt*/,
+    const std::string& /*eventName*/) {}
+
+void AppStateModule::removeListeners(jsi::Runtime& /*rt*/, double /*count*/) {}
+
+} // namespace facebook::react
diff --git a/packages/react-native/ReactCxxPlatform/react/coremodules/AppStateModule.h b/packages/react-native/ReactCxxPlatform/react/coremodules/AppStateModule.h
new file mode 100644
index 00000000000..c682ec2439e
--- /dev/null
+++ b/packages/react-native/ReactCxxPlatform/react/coremodules/AppStateModule.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <FBReactNativeSpec/FBReactNativeSpecJSI.h>
+#include <memory>
+#include <string>
+
+namespace facebook::react {
+
+using AppStateConstants = NativeAppStateAppStateConstants<std::string>;
+
+template <>
+struct Bridging<AppStateConstants>
+    : NativeAppStateAppStateConstantsBridging<AppStateConstants> {};
+
+using AppState = NativeAppStateAppState<std::string>;
+
+template <>
+struct Bridging<AppState> : NativeAppStateAppStateBridging<AppState> {};
+
+class AppStateModule : public NativeAppStateCxxSpec<AppStateModule> {
+ public:
+  explicit AppStateModule(std::shared_ptr<CallInvoker> jsInvoker)
+      : NativeAppStateCxxSpec(jsInvoker) {}
+
+  AppStateConstants getConstants(jsi::Runtime& rt);
+
+  void getCurrentAppState(
+      jsi::Runtime& rt,
+      const AsyncCallback<AppState>& success,
+      jsi::Function error);
+  void addListener(jsi::Runtime& rt, const std::string& eventName);
+
+  void removeListeners(jsi::Runtime& rt, double count);
+};
+
+} // namespace facebook::react
diff --git a/packages/react-native/ReactCxxPlatform/react/coremodules/DeviceInfoModule.cpp b/packages/react-native/ReactCxxPlatform/react/coremodules/DeviceInfoModule.cpp
new file mode 100644
index 00000000000..fd53acc0d79
--- /dev/null
+++ b/packages/react-native/ReactCxxPlatform/react/coremodules/DeviceInfoModule.cpp
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include "DeviceInfoModule.h"
+
+namespace facebook::react {
+
+DeviceInfoConstants DeviceInfoModule::getConstants(jsi::Runtime& /*rt*/) {
+  // TODO: Wire this to come from the actual app
+  // size (T161837708)
+  return DeviceInfoConstants{
+      .Dimensions =
+          {.window =
+               DisplayMetrics{
+                   1280,
+                   720,
+               }},
+  };
+}
+
+} // namespace facebook::react
diff --git a/packages/react-native/ReactCxxPlatform/react/coremodules/DeviceInfoModule.h b/packages/react-native/ReactCxxPlatform/react/coremodules/DeviceInfoModule.h
new file mode 100644
index 00000000000..73775536972
--- /dev/null
+++ b/packages/react-native/ReactCxxPlatform/react/coremodules/DeviceInfoModule.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <FBReactNativeSpec/FBReactNativeSpecJSI.h>
+#include <optional>
+
+namespace facebook::react {
+
+using DisplayMetrics =
+    NativeDeviceInfoDisplayMetrics<double, double, double, double>;
+
+using DisplayMetricsAndroid = NativeDeviceInfoDisplayMetricsAndroid<
+    double,
+    double,
+    double,
+    double,
+    double>;
+
+using DimensionsPayload = NativeDeviceInfoDimensionsPayload<
+    std::optional<DisplayMetrics>,
+    std::optional<DisplayMetrics>,
+    std::optional<DisplayMetricsAndroid>,
+    std::optional<DisplayMetricsAndroid>>;
+
+using DeviceInfoConstants =
+    NativeDeviceInfoDeviceInfoConstants<DimensionsPayload, std::optional<bool>>;
+
+template <>
+struct Bridging<DisplayMetrics>
+    : NativeDeviceInfoDisplayMetricsBridging<DisplayMetrics> {};
+
+template <>
+struct Bridging<DisplayMetricsAndroid>
+    : NativeDeviceInfoDisplayMetricsAndroidBridging<DisplayMetricsAndroid> {};
+
+template <>
+struct Bridging<DimensionsPayload>
+    : NativeDeviceInfoDimensionsPayloadBridging<DimensionsPayload> {};
+
+template <>
+struct Bridging<DeviceInfoConstants>
+    : NativeDeviceInfoDeviceInfoConstantsBridging<DeviceInfoConstants> {};
+
+class DeviceInfoModule : public NativeDeviceInfoCxxSpec<DeviceInfoModule> {
+ public:
+  explicit DeviceInfoModule(std::shared_ptr<CallInvoker> jsInvoker)
+      : NativeDeviceInfoCxxSpec(jsInvoker) {}
+
+  DeviceInfoConstants getConstants(jsi::Runtime& rt);
+};
+
+} // namespace facebook::react
diff --git a/packages/react-native/ReactCxxPlatform/react/coremodules/PlatformConstantsModule.cpp b/packages/react-native/ReactCxxPlatform/react/coremodules/PlatformConstantsModule.cpp
new file mode 100644
index 00000000000..5182e167ee0
--- /dev/null
+++ b/packages/react-native/ReactCxxPlatform/react/coremodules/PlatformConstantsModule.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include "PlatformConstantsModule.h"
+
+namespace facebook::react {
+
+PlatformConstantsAndroid PlatformConstantsModule::getConstants(
+    jsi::Runtime& /*rt*/) {
+  return PlatformConstantsAndroid{
+      .isTesting = false,
+      .isDisableAnimations = false,
+      .reactNativeVersion =
+          {
+              .major = 1000,
+              .minor = 0,
+              .patch = 0,
+              .prerelease = std::nullopt,
+          },
+      .Version = 33, // Android 13 (API level 33)
+      .Release = "",
+      .Fingerprint = "",
+      .Model = "",
+      .ServerHost = "",
+      .uiMode = "",
+      .Brand = "",
+      .Manufacturer = "",
+  };
+}
+
+} // namespace facebook::react
diff --git a/packages/react-native/ReactCxxPlatform/react/coremodules/PlatformConstantsModule.h b/packages/react-native/ReactCxxPlatform/react/coremodules/PlatformConstantsModule.h
new file mode 100644
index 00000000000..04470366940
--- /dev/null
+++ b/packages/react-native/ReactCxxPlatform/react/coremodules/PlatformConstantsModule.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <FBReactNativeSpec/FBReactNativeSpecJSI.h>
+#include <optional>
+
+namespace facebook::react {
+
+using ReactNativeVersionAndroid =
+    NativePlatformConstantsAndroidReactNativeVersionAndroid<
+        int,
+        int,
+        int,
+        std::optional<int>>;
+
+template <>
+struct Bridging<ReactNativeVersionAndroid>
+    : NativePlatformConstantsAndroidReactNativeVersionAndroidBridging<
+          ReactNativeVersionAndroid> {};
+
+using PlatformConstantsAndroid =
+    NativePlatformConstantsAndroidPlatformConstantsAndroid<
+        bool,
+        std::optional<bool>,
+        ReactNativeVersionAndroid,
+        int,
+        std::string,
+        std::string,
+        std::string,
+        std::string,
+        std::optional<std::string>,
+        std::string,
+        std::string,
+        std::string>;
+
+template <>
+struct Bridging<PlatformConstantsAndroid>
+    : NativePlatformConstantsAndroidPlatformConstantsAndroidBridging<
+          PlatformConstantsAndroid> {};
+
+// T159303412: [RN] Metro: Need support for new target platform
+class PlatformConstantsModule
+    : public NativePlatformConstantsAndroidCxxSpec<PlatformConstantsModule> {
+ public:
+  explicit PlatformConstantsModule(std::shared_ptr<CallInvoker> jsInvoker)
+      : NativePlatformConstantsAndroidCxxSpec(jsInvoker) {}
+
+  std::string getAndroidID(jsi::Runtime& /*rt*/) {
+    return "";
+  }
+
+  PlatformConstantsAndroid getConstants(jsi::Runtime& rt);
+};
+
+} // namespace facebook::react