diff --git a/.github/workflows/firebase-deploy.yml b/.github/workflows/firebase-deploy.yml
index f13adb3..fae2345 100644
--- a/.github/workflows/firebase-deploy.yml
+++ b/.github/workflows/firebase-deploy.yml
@@ -6,34 +6,36 @@ on:
       - release # Only in release branch
     
 jobs:
-  build:
+  deploy:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-      with:
-        path: android
     - name: Setup JDK
       uses: actions/setup-java@v3
       with:
         distribution: 'oracle'
         java-version: '17'
+        cache: 'gradle'
     - name: Generate Keystore
       env:
         KEYSTORE_B64: ${{ secrets.APP_KEYSTORE }}
       run: |
         echo $KEYSTORE_B64 > keystore_b64.txt
         base64 --decode --ignore-garbage keystore_b64.txt > keystore.jks
-      
+      working-directory: ./android/app      
+
     - name: Build Release APK
       env:
         SIGNING_KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
         SIGNING_PASSWORD: ${{ secrets.KEY_PASSWORD }}
       run: ./gradlew assembleRelease
+      working-directory: ./android
       
     - name: Upload to Firebase App Distribution
       uses: wzieba/Firebase-Distribution-Github-Action@v1
       with:
         appId: ${{ secrets.FIREBASE_APP_ID }}
-        serviceCredentialsFileContent: ${{ secrets.CREDENTIAL_FILE_CONTENT }}
-        groups: testers
-        file: app/release/app-release.apk
+        serviceCredentialsFileContent: ${{ secrets.FIREBASE_APP_DISTRIBUTION }}
+        groups: tester
+        releaseNotesFile: android/release_notes.txt
+        file: android/app/build/outputs/apk/release/app-release.apk
diff --git a/.github/workflows/ktlint.yml b/.github/workflows/ktlint.yml
index 0dcfbc6..807f659 100644
--- a/.github/workflows/ktlint.yml
+++ b/.github/workflows/ktlint.yml
@@ -1,4 +1,4 @@
-name: reviewdog_kotlin
+name: Kotlin Lint Check
 on:
   pull_request:
     paths:
diff --git a/android/app/build.gradle b/android/app/build.gradle
index 7029044..5a9596e 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -18,13 +18,6 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-    }
-
     signingConfigs {
         release {
             storeFile file("keystore.jks")
@@ -34,6 +27,14 @@ android {
         }
     }
 
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
+        }
+    }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
diff --git a/android/release_notes.txt b/android/release_notes.txt
new file mode 100644
index 0000000..e69de29