diff --git a/app/build.gradle b/app/build.gradle
index 9d722e9..2fb6208 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -46,22 +46,36 @@ android {
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile(
                     'proguard-android-optimize.txt'
             ), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
         }
         debug {
             signingConfig signingConfigs.debug
         }
     }
+
+    splits {
+        abi {
+            enable true
+            reset()
+            include 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
+            universalApk true
+        }
+    }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+
     kotlinOptions {
         jvmTarget = '1.8'
     }
+
     buildFeatures {
         viewBinding true
     }
@@ -71,7 +85,10 @@ dependencies {
     implementation fileTree(dir: "libs", include: ["extension-*.aar"])
 
     // Exoplayer
-    implementation "com.google.android.exoplayer:exoplayer:2.18.0"
+    def exoplayer_version = "2.18.0"
+    implementation "com.google.android.exoplayer:exoplayer-core:$exoplayer_version"
+    implementation "com.google.android.exoplayer:exoplayer-dash:$exoplayer_version"
+    implementation "com.google.android.exoplayer:exoplayer-ui:$exoplayer_version"
 
     // Datastore
     implementation "androidx.datastore:datastore-preferences:1.0.0"
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 481bb43..e471aa1 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -18,4 +18,18 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
\ No newline at end of file
+#-renamesourcefileattribute SourceFile
+
+# To remove Log messages
+-assumenosideeffects class android.util.Log {
+    public static *** d(...);
+    public static *** v(...);
+}
+
+# keep data-classes from google.api
+-keep class * extends com.google.api.client.json.GenericJson {
+    *;
+}
+-keep class com.google.api.services.drive.** {
+    *;
+}
\ No newline at end of file