diff --git a/.gitignore b/.gitignore
index 9fa12c7..1edf079 100644
--- a/.gitignore
+++ b/.gitignore
@@ -85,3 +85,6 @@ android/generated
 # Ignoring the pods folder. Make sure you run pod install
 ios/Pods/
 *.xcworkspacedata
+
+# Local properties (*.example are non-local illustations, however)
+example/android/app/app.properties
diff --git a/example/android/app/app.properties.example b/example/android/app/app.properties.example
new file mode 100644
index 0000000..f776730
--- /dev/null
+++ b/example/android/app/app.properties.example
@@ -0,0 +1,13 @@
+# You can copy this file to app.properties (lose ".example"), and set the values
+# from https://developer.squareup.com/apps/${app_id}, but .gitignore will keep
+# the "secret" values out of source control.
+
+# This identifies your application to Square
+APP_ID="INSERT APP_ID HERE"
+
+# This identifies the merchant. In most cases, OAuth is best for production
+# usage (read https://developer.squareup.com/docs/oauth-api/overview), but that
+# requires a server, and we can't know where or how developers configure that.
+# The dashboard values can be put here for quick test access.
+LOCATION_ID="INSERT LOCATION_ID HERE"
+ACCESS_TOKEN="INSERT ACCESS TOKEN HERE"
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index c4aaa21..ad17ffe 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -2,6 +2,15 @@ apply plugin: "com.android.application"
 apply plugin: "org.jetbrains.kotlin.android"
 apply plugin: "com.facebook.react"
 
+/* Load custom properties for the app, if any */
+Properties localProperties = new Properties()
+if (project.file("app.properties").exists()) {
+  localProperties.load(project.file('app.properties').newDataInputStream())
+  project.logger.warn("FKA3: localProps has " + localProperties["APP_ID"])
+} else {
+  throw new GradleException("Please create app.properties with APP_ID, LOCATION_ID, and ACCESS_TOKEN")
+}
+
 /**
  * This is the configuration block to customize your React Native Android app.
  * By default you don't need to apply any configuration, just uncomment the lines you need.
@@ -84,6 +93,9 @@ android {
         targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
         versionName "1.0"
+        buildConfigField "String", "APP_ID", localProperties["APP_ID"]
+        buildConfigField "String", "LOCATION_ID", localProperties["LOCATION_ID"]
+        buildConfigField "String", "ACCESS_TOKEN", localProperties["ACCESS_TOKEN"]
     }
     signingConfigs {
         debug {
diff --git a/example/android/app/src/main/java/mobilepaymentssdkreactnative/example/MainApplication.kt b/example/android/app/src/main/java/mobilepaymentssdkreactnative/example/MainApplication.kt
index 42f9be4..18822b0 100644
--- a/example/android/app/src/main/java/mobilepaymentssdkreactnative/example/MainApplication.kt
+++ b/example/android/app/src/main/java/mobilepaymentssdkreactnative/example/MainApplication.kt
@@ -17,7 +17,7 @@ class MainApplication : Application(), ReactApplication {
       object : DefaultReactNativeHost(this) {
         override fun getPackages(): List<ReactPackage> =
             PackageList(this).packages.apply {
-              // Packages that cannot be autolinked yet can be added manually here, for example:
+              RNBuildConfigPackage(BuildConfig.class) // Add the package
             }
 
         override fun getJSMainModuleName(): String = "index"
@@ -34,14 +34,10 @@ class MainApplication : Application(), ReactApplication {
   override fun onCreate() {
     super.onCreate()
     SoLoader.init(this, false)
-    MobilePaymentsSdk.initialize(MOBILE_PAYMENT_SDK_APPLICATION_ID, this)
+    MobilePaymentsSdk.initialize(BuildConfig.APP_ID, this)
     if (BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
       // If you opted-in for the New Architecture, we load the native entry point for this app.
       load()
     }
   }
-
-  companion object {
-      private const val MOBILE_PAYMENT_SDK_APPLICATION_ID = "REPLACE_ME"
-  }
 }
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
index 9fb1566..ef7c50f 100644
--- a/example/android/gradle.properties
+++ b/example/android/gradle.properties
@@ -37,3 +37,4 @@ newArchEnabled=false
 # Use this property to enable or disable the Hermes JS engine.
 # If set to false, you will be using JSC instead.
 hermesEnabled=true
+
diff --git a/example/android/settings.gradle b/example/android/settings.gradle
index cbd0a52..01b9b61 100644
--- a/example/android/settings.gradle
+++ b/example/android/settings.gradle
@@ -2,6 +2,8 @@ pluginManagement { includeBuild("../node_modules/@react-native/gradle-plugin") }
 plugins { id("com.facebook.react.settings") }
 extensions.configure(com.facebook.react.ReactSettingsExtension){ ex -> ex.autolinkLibrariesFromCommand() }
 rootProject.name = 'mobilepaymentssdkreactnative.example'
+
+include ':react-native-build-config'
 include ':app'
 includeBuild('../node_modules/@react-native/gradle-plugin')
 
@@ -14,4 +16,4 @@ dependencyResolutionManagement {
     maven { url("https://sdk.squareup.com/public/android/") }
     // It's better to explicitly define the React Native repository if needed
   }
-}
\ No newline at end of file
+}
diff --git a/lefthook.yml b/lefthook.yml
new file mode 100644
index 0000000..e18689e
--- /dev/null
+++ b/lefthook.yml
@@ -0,0 +1,42 @@
+# EXAMPLE USAGE:
+#
+#   Refer for explanation to following link:
+#   https://evilmartians.github.io/lefthook/configuration/
+#
+# pre-push:
+#   jobs:
+#     - name: packages audit
+#       tags:
+#         - frontend
+#         - security
+#       run: yarn audit
+#
+#     - name: gems audit
+#       tags:
+#         - backend
+#         - security
+#       run: bundle audit
+#
+# pre-commit:
+#   parallel: true
+#   jobs:
+#     - run: yarn eslint {staged_files}
+#       glob: "*.{js,ts,jsx,tsx}"
+#
+#     - name: rubocop
+#       glob: "*.rb"
+#       exclude:
+#         - config/application.rb
+#         - config/routes.rb
+#       run: bundle exec rubocop --force-exclusion {all_files}
+#
+#     - name: govet
+#       files: git ls-files -m
+#       glob: "*.go"
+#       run: go vet {files}
+#
+#     - script: "hello.js"
+#       runner: node
+#
+#     - script: "hello.go"
+#       runner: go run
diff --git a/package.json b/package.json
index 5354ac0..4314062 100644
--- a/package.json
+++ b/package.json
@@ -187,5 +187,9 @@
     "type": "module-legacy",
     "languages": "kotlin-swift",
     "version": "0.41.2"
+  },
+  "dependencies": {
+    "react-native-buildconfig": "^1.0.5",
+    "react-native-uuid": "^2.0.3"
   }
 }