diff --git a/buildSrc/src/main/kotlin/custom/CustomApps.kt b/buildSrc/src/main/kotlin/custom/CustomApps.kt
index 31c7351b9..b4b05bc81 100644
--- a/buildSrc/src/main/kotlin/custom/CustomApps.kt
+++ b/buildSrc/src/main/kotlin/custom/CustomApps.kt
@@ -46,6 +46,8 @@ fun ProductFlavors.create(customApps: List<CustomApp>) {
       applicationIdSuffix = ".kiwixcustom${customApp.name}"
       buildConfigField("String", "ZIM_URL", "\"${customApp.url}\"")
       buildConfigField("String", "ENFORCED_LANG", "\"${customApp.enforcedLanguage}\"")
+      // Add asset file name in buildConfig file, we will use later to receive the zim file.
+      buildConfigField("String", "PLAY_ASSET_FILE", "\"${customApp.name}.zim\"")
       buildConfigField("Boolean", "DISABLE_SIDEBAR", "${customApp.disableSideBar}")
       buildConfigField("Boolean", "DISABLE_TABS", "${customApp.disableTabs}")
       buildConfigField("Boolean", "DISABLE_READ_ALOUD", "${customApp.disableReadAloud}")
diff --git a/custom/build.gradle.kts b/custom/build.gradle.kts
index b193beba4..c2edf5e39 100644
--- a/custom/build.gradle.kts
+++ b/custom/build.gradle.kts
@@ -129,20 +129,19 @@ fun ProductFlavor.createDownloadTaskForPlayAssetDelivery(
   ) {
     group = "Downloading"
     doLast {
-      if (!file.exists()) {
-        file.createNewFile()
+      if (file.exists()) file.delete()
+      file.createNewFile()
 
-        OkHttpClient().newCall(fetchRequest()).execute().use { response ->
-          if (response.isSuccessful) {
-            response.body?.let { responseBody ->
-              writeZimFileData(responseBody, file)
-            }
-          } else {
-            throw RuntimeException(
-              "Download Failed. Error: ${response.message}\n" +
-                " Status Code: ${response.code}"
-            )
+      OkHttpClient().newCall(fetchRequest()).execute().use { response ->
+        if (response.isSuccessful) {
+          response.body?.let { responseBody ->
+            writeZimFileData(responseBody, file)
           }
+        } else {
+          throw RuntimeException(
+            "Download Failed. Error: ${response.message}\n" +
+              " Status Code: ${response.code}"
+          )
         }
       }
     }
@@ -200,7 +199,7 @@ fun ProductFlavor.createPublishBundleWithAssetPlayDelivery(
     name.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else "$it" }
   return tasks.create("publish${capitalizedName}ReleaseBundleWithPlayAssetDelivery") {
     group = "publishing"
-    description = "Uploads $capitalizedName to the Play Console with an Expansion file"
+    description = "Uploads $capitalizedName to the Play Console with an Play Asset delivery mode"
     doLast {
       val packageName = "org.kiwix$applicationIdSuffix"
       println("packageName $packageName")
diff --git a/custom/src/main/java/org/kiwix/kiwixmobile/custom/main/CustomFileValidator.kt b/custom/src/main/java/org/kiwix/kiwixmobile/custom/main/CustomFileValidator.kt
index 38089f293..6c3cc84ad 100644
--- a/custom/src/main/java/org/kiwix/kiwixmobile/custom/main/CustomFileValidator.kt
+++ b/custom/src/main/java/org/kiwix/kiwixmobile/custom/main/CustomFileValidator.kt
@@ -22,6 +22,7 @@ import android.content.Context
 import android.content.pm.PackageManager
 import android.util.Log
 import androidx.core.content.ContextCompat
+import org.kiwix.kiwixmobile.custom.BuildConfig
 import org.kiwix.kiwixmobile.custom.main.ValidationState.HasBothFiles
 import org.kiwix.kiwixmobile.custom.main.ValidationState.HasFile
 import org.kiwix.kiwixmobile.custom.main.ValidationState.HasNothing
@@ -59,9 +60,9 @@ class CustomFileValidator @Inject constructor(private val context: Context) {
     try {
       val context = context.createPackageContext(context.packageName, 0)
       val assetManager = context.assets
-      val inputStream = assetManager.open("dwds_de_dictionary_nopic_2023-09-12.zim")
+      val inputStream = assetManager.open(BuildConfig.PLAY_ASSET_FILE)
       val filePath = ContextCompat.getExternalFilesDirs(context, null)[0]
-      zimFile = File(filePath, "dwds_de_dictionary_nopic_2023-09-12.zim")
+      zimFile = File(filePath, BuildConfig.PLAY_ASSET_FILE)
       FileOutputStream(zimFile).use { outputSteam ->
         inputStream.use { inputStream ->
           val buffer = ByteArray(1024)