diff --git a/.gitignore b/.gitignore
index 1eeb346..43359e6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,6 @@ appdir
 .vs
 CMakeSettings.json
 chiaki.rb
+*.jks
+secret.tar
+keystore-env.sh
diff --git a/.travis.yml b/.travis.yml
index a6d12fd..c5b0af5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -103,6 +103,8 @@ matrix:
       language: android
       os: linux
       dist: trusty
+      env:
+        - DEPLOY=1
       android:
         components:
           - build-tools-29.0.2
@@ -119,7 +121,12 @@ matrix:
         - export PATH="$TRAVIS_BUILD_DIR/protoc/bin:$PATH"
       script:
         - cd android
-        - ./gradlew assembleRelease
+        - ./gradlew assembleRelease bundleRelease
+        - export DEPLOY_FILE_BASE="Chiaki-$CHIAKI_VERSION-Android"
+        - export DEPLOY_FILE="$DEPLOY_FILE_BASE.a[pa][kb]"
+        - cp app/build/outputs/apk/release/app-release.apk "../$DEPLOY_FILE_BASE.apk"
+        - cp app/build/outputs/bundle/release/app-release.aab "../$DEPLOY_FILE_BASE.aab"
+        - cd ..
 
     - name: "Source Package"
       os: linux
@@ -133,6 +140,10 @@ matrix:
         - export DEPLOY_FILE="chiaki-$CHIAKI_VERSION-src.tar.gz"
         - tar -czvf "$DEPLOY_FILE" chiaki
 
+before_install:
+  - openssl aes-256-cbc -K $encrypted_31d5e6477a29_key -iv $encrypted_31d5e6477a29_iv -in secret.tar.enc -out secret.tar -d
+  - tar -xf secret.tar
+
 after_success:
   - if [ ! -z "$DEPLOY_FILE" ]; then curl -m 300 --upload-file "$DEPLOY_FILE" "https://transfer.sh/$DEPLOY_FILE"; echo; fi
 
@@ -142,6 +153,7 @@ deploy:
   draft: true
   api_key:
     secure: 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
+  file_glob: true
   file: $DEPLOY_FILE
   on:
     tags: true
diff --git a/android/app/build.gradle b/android/app/build.gradle
index 189438b..7f2948b 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -43,12 +43,25 @@ android {
             path rootCMakeLists
         }
     }
+    signingConfigs {
+        release
+    }
     buildTypes {
         release {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+
+    def keystoreFile = file("../../keystore.jks")
+    if (System.getenv("TRAVIS") == "true" && keystoreFile.exists()) {
+        println("Enabling Signing on Travis")
+        buildTypes.release.signingConfig = signingConfigs.release
+        signingConfigs.release.storeFile = keystoreFile
+        signingConfigs.release.storePassword = System.getenv("android_keystore_pw")
+        signingConfigs.release.keyAlias = System.getenv("android_keystore_alias")
+        signingConfigs.release.keyPassword = System.getenv("android_keystore_alias_pw")
+    }
 }
 
 tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
index f5fb65b..8af7f58 100644
--- a/android/app/proguard-rules.pro
+++ b/android/app/proguard-rules.pro
@@ -20,4 +20,5 @@
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
 
--dontobfuscate
\ No newline at end of file
+-dontobfuscate
+-keep class com.metallic.chiaki.** { *; }
\ No newline at end of file
diff --git a/secret.tar.enc b/secret.tar.enc
new file mode 100644
index 0000000..eff9118
Binary files /dev/null and b/secret.tar.enc differ