diff --git a/assets/runtime/android/files/android-runtime-1463-1459/gradle.properties b/assets/runtime/android/files/android-runtime-1463-1459/gradle.properties
new file mode 100644
index 00000000..55c5b250
--- /dev/null
+++ b/assets/runtime/android/files/android-runtime-1463-1459/gradle.properties
@@ -0,0 +1 @@
+useKotlin=true
\ No newline at end of file
diff --git a/core/utils/file_utils.py b/core/utils/file_utils.py
index 90a623e7..df0fecd6 100644
--- a/core/utils/file_utils.py
+++ b/core/utils/file_utils.py
@@ -306,6 +306,14 @@ def get_files_names_in_zip(file_path):
         zfile.close()
         return file_names
 
+    @staticmethod
+    def is_file_in_zip(zip_file, file_name_to_check):
+        files_list = File.get_files_names_in_zip(zip_file)
+        for current_file in files_list:
+            if file_name_to_check in str(current_file.filename):
+                return True
+        return False
+
     @staticmethod
     def download(file_name, url, destination_dir=Settings.TEST_RUN_HOME):
         file_path = os.path.join(destination_dir, file_name)
diff --git a/tests/runtimes/android/abi_split_with_snapshot_tests.py b/tests/runtimes/android/abi_split_with_snapshot_tests.py
index d237ea60..0ef58ea7 100644
--- a/tests/runtimes/android/abi_split_with_snapshot_tests.py
+++ b/tests/runtimes/android/abi_split_with_snapshot_tests.py
@@ -41,14 +41,6 @@ def setUpClass(cls):
         Adb.uninstall(cls.app_id, device_id, assert_success=False)
         Tns.platform_add_android(APP_NAME, framework_path=Android.FRAMEWORK_PATH)
 
-    @staticmethod
-    def check_file_in_zip(zip_file, file_name_to_check):
-        files_list = File.get_files_names_in_zip(zip_file)
-        for current_file in files_list:
-            if file_name_to_check in str(current_file.filename):
-                return True
-        return False
-
     def test_100_build_app_with_abi_split_and_snapshot(self):
         """
          Test build with abi split and snapshot. Also check if the apk for emulator is working
@@ -83,31 +75,31 @@ def test_100_build_app_with_abi_split_and_snapshot(self):
 
         app_x86_64_release_path = os.path.join(TEST_RUN_HOME, APP_NAME, PLATFORM_ANDROID_APK_RELEASE_PATH,
                                                "app-x86_64-release.apk")
-        assert self.check_file_in_zip(app_x86_64_release_path, os.path.join("x86_64", "libNativeScript.so"))
+        assert File.is_file_in_zip(app_x86_64_release_path, os.path.join("x86_64", "libNativeScript.so"))
         assert File.exists(app_x86_64_release_path)
 
         app_arm64_v8a_release_path = os.path.join(TEST_RUN_HOME, APP_NAME, PLATFORM_ANDROID_APK_RELEASE_PATH,
                                                   "app-arm64-v8a-release.apk")
         assert File.exists(app_arm64_v8a_release_path)
-        assert self.check_file_in_zip(app_arm64_v8a_release_path, os.path.join("arm64-v8a", "libNativeScript.so"))
+        assert File.is_file_in_zip(app_arm64_v8a_release_path, os.path.join("arm64-v8a", "libNativeScript.so"))
 
         app_armeabi_v7a_release_path = os.path.join(TEST_RUN_HOME, APP_NAME, PLATFORM_ANDROID_APK_RELEASE_PATH,
                                                     "app-armeabi-v7a-release.apk")
         assert File.exists(app_armeabi_v7a_release_path)
-        assert self.check_file_in_zip(app_armeabi_v7a_release_path, os.path.join("armeabi-v7a", "libNativeScript.so"))
+        assert File.is_file_in_zip(app_armeabi_v7a_release_path, os.path.join("armeabi-v7a", "libNativeScript.so"))
 
         app_x86_release_path = os.path.join(TEST_RUN_HOME, APP_NAME, PLATFORM_ANDROID_APK_RELEASE_PATH,
                                             "app-x86-release.apk")
         assert File.exists(app_x86_release_path)
-        assert self.check_file_in_zip(app_x86_release_path, os.path.join("x86", "libNativeScript.so"))
+        assert File.is_file_in_zip(app_x86_release_path, os.path.join("x86", "libNativeScript.so"))
 
         app_universal_release_path = os.path.join(TEST_RUN_HOME, APP_NAME, PLATFORM_ANDROID_APK_RELEASE_PATH,
                                                   "app-universal-release.apk")
         assert File.exists(app_universal_release_path)
-        assert self.check_file_in_zip(app_universal_release_path, os.path.join("arm64-v8a", "libNativeScript.so"))
-        assert self.check_file_in_zip(app_universal_release_path, os.path.join("armeabi-v7a", "libNativeScript.so"))
-        assert self.check_file_in_zip(app_universal_release_path, os.path.join("x86", "libNativeScript.so"))
-        assert self.check_file_in_zip(app_universal_release_path, os.path.join("x86_64", "libNativeScript.so"))
+        assert File.is_file_in_zip(app_universal_release_path, os.path.join("arm64-v8a", "libNativeScript.so"))
+        assert File.is_file_in_zip(app_universal_release_path, os.path.join("armeabi-v7a", "libNativeScript.so"))
+        assert File.is_file_in_zip(app_universal_release_path, os.path.join("x86", "libNativeScript.so"))
+        assert File.is_file_in_zip(app_universal_release_path, os.path.join("x86_64", "libNativeScript.so"))
 
         AbiSplitHelper.assert_apk(
             os.path.join(TEST_RUN_HOME, APP_NAME, PLATFORM_ANDROID_APK_RELEASE_PATH, "app-x86-release.apk"),
diff --git a/tests/runtimes/android/android_plugins_tests.py b/tests/runtimes/android/android_plugins_tests.py
index 7bcd238a..0bbd3279 100644
--- a/tests/runtimes/android/android_plugins_tests.py
+++ b/tests/runtimes/android/android_plugins_tests.py
@@ -13,6 +13,7 @@
 from data.templates import Template
 from products.nativescript.tns import Tns
 
+PLATFORM_ANDROID_APK_DEBUG_PATH = os.path.join('platforms', 'android', 'app', 'build', 'outputs', 'apk', 'debug')
 APP_NAME = AppName.DEFAULT
 
 
@@ -331,3 +332,23 @@ def test_451_support_external_buildscript_config_in_plugin(self):
         Tns.plugin_add(plugin_path, path=APP_NAME, verify=False)
 
         Tns.build_android(os.path.join(TEST_RUN_HOME, APP_NAME), verify=True)
+
+        Tns.plugin_remove("sample-plugin-2", verify=False, path=APP_NAME)
+
+    def test_452_support_gradle_properties_for_enable_Kotlin(self):
+        """
+        Support gradle.properties file for enable Kotlin
+        https://github.com/NativeScript/android-runtime/issues/1459
+        https://github.com/NativeScript/android-runtime/issues/1463
+        """
+        Tns.plugin_remove("sample-plugin-2", verify=False, path=APP_NAME)
+        source_app_gradle = os.path.join(TEST_RUN_HOME, 'assets', 'runtime', 'android', 'files',
+                                         'android-runtime-1463-1459', 'gradle.properties')
+        target_app_gradle = os.path.join(TEST_RUN_HOME, APP_NAME, 'app', 'App_Resources', 'Android')
+        File.copy(source=source_app_gradle, target=target_app_gradle, backup_files=True)
+
+        Tns.build_android(os.path.join(TEST_RUN_HOME, APP_NAME), verify=True)
+        app_universal_release_path = os.path.join(TEST_RUN_HOME, APP_NAME, PLATFORM_ANDROID_APK_DEBUG_PATH,
+                                                  "app-debug.apk")
+        assert File.exists(app_universal_release_path)
+        assert File.is_file_in_zip(app_universal_release_path, os.path.join("kotlin")), "Kotlin is not working!"
diff --git a/tests/runtimes/ios/ios_runtime_tests.py b/tests/runtimes/ios/ios_runtime_tests.py
index 7f1f12ee..d8b59fc8 100644
--- a/tests/runtimes/ios/ios_runtime_tests.py
+++ b/tests/runtimes/ios/ios_runtime_tests.py
@@ -65,7 +65,7 @@ def test_201_test_init_mocha_js_stacktrace(self):
         # https://github.com/NativeScript/nativescript-cli/issues/4524
         strings = ['JavaScript stack trace',
                    'JS ERROR AssertionError: expected -1 to equal 1']
-        TnsLogs.wait_for_log(log_file=result.log_file, string_list=strings, timeout=90)
+        TnsLogs.wait_for_log(log_file=result.log_file, string_list=strings, timeout=120)
 
     def test_380_tns_run_ios_plugin_dependencies(self):
         """