Thanks for the opportunity.

android/app/build.gradle

@@ -97,6 +97,9 @@ def enableSeparateBuildPerCPUArchitecture = false
  * Run Proguard to shrink the Java bytecode in release builds.
  */
 def enableProguardInReleaseBuilds = false
+def jscFlavor = 'org.webkit:android-jsc-intl:+'
+
+
 
 /**
  * The preferred build flavor of JavaScriptCore.
@@ -109,7 +112,7 @@ def enableProguardInReleaseBuilds = false
  * give correct results when using with locales other than en-US.  Note that
  * this variant is about 6MiB larger per architecture than default.
  */
-def jscFlavor = 'org.webkit:android-jsc:+'
+// def jscFlavor = 'org.webkit:android-jsc:+'
 
 /**
  * Whether to enable the Hermes VM.

android/app/src/main/java/com/rncodetest/FetchKeyANDROID.java

@@ -0,0 +1,46 @@
+package com.rncodetest;
+
+import android.content.Context;
+
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReactContext;
+import com.facebook.react.bridge.ReactContextBaseJavaModule;
+import com.facebook.react.bridge.ReactMethod;
+import java.util.Map;
+import java.util.HashMap;
+import com.facebook.react.bridge.Callback;
+
+import android.util.Log;
+
+public class FetchKeyANDROID extends ReactContextBaseJavaModule {
+    private Context context = null;
+    FetchKeyANDROID(ReactApplicationContext context) {
+        super(context);
+        this.context=context;
+    }
+
+    @ReactMethod
+    public void getKey(Callback keyCallback) {
+        // boolean isDebuggable =  ( 0 != ( getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE ) );
+        // if (isDebuggable) {
+        //      String key = context.getString(R.string.service_key);
+        //       keyCallback.invoke(key);
+        // }
+        // else {
+        //      String key = context.getString(R.string.production_service_key);
+        //      keyCallback.invoke(key);
+        // }
+        Log.d("myTag", "This is my message" + context.getString(R.string.service_key));
+        String key = context.getString(R.string.service_key);
+        keyCallback.invoke(key);
+
+    }
+
+    @Override
+    public String getName() {
+        return "FetchKeyANDROID";
+    }
+
+
+}

android/app/src/main/java/com/rncodetest/MainApplication.java

@@ -25,6 +25,7 @@ protected List<ReactPackage> getPackages() {
           List<ReactPackage> packages = new PackageList(this).getPackages();
           // Packages that cannot be autolinked yet can be added manually here, for example:
           // packages.add(new MyReactNativePackage());
+          packages.add(new MyAppPackage());
           return packages;
         }
 

android/app/src/main/java/com/rncodetest/MyAppPackage.java

@@ -0,0 +1,28 @@
+package com.rncodetest; 
+import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.uimanager.ViewManager;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class MyAppPackage implements ReactPackage {
+
+   @Override
+   public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
+       return Collections.emptyList();
+   }
+
+   @Override
+   public List<NativeModule> createNativeModules(
+           ReactApplicationContext reactContext) {
+       List<NativeModule> modules = new ArrayList<>();
+
+       modules.add(new FetchKeyANDROID(reactContext));
+
+       return modules;
+   }
+
+}

android/app/src/main/res/raw/app.json

@@ -0,0 +1,4 @@
+{
+  "name": "RNCodeTest",
+  "displayName": "RNCodeTest"
+}