diff --git a/cookiecutter.json b/cookiecutter.json
index 737943e..c8698eb 100644
--- a/cookiecutter.json
+++ b/cookiecutter.json
@@ -17,6 +17,8 @@
     "route_url_strategy": "path",
     "web_renderer": "canvaskit",
     "use_color_emoji": "false",
+    "pwa_background_color": "#FFFFFF",
+    "pwa_theme_color": "#0175C2",
     "split_per_abi": false,
     "options": null
 }
\ No newline at end of file
diff --git a/{{cookiecutter.out_dir}}/lib/main.dart b/{{cookiecutter.out_dir}}/lib/main.dart
index da49c72..140fcae 100644
--- a/{{cookiecutter.out_dir}}/lib/main.dart
+++ b/{{cookiecutter.out_dir}}/lib/main.dart
@@ -22,7 +22,6 @@ const pythonModuleName = "{{ cookiecutter.python_module_name }}";
 final hideLoadingPage =
     bool.tryParse("{{ cookiecutter.hide_loading_animation }}".toLowerCase()) ??
         true;
-const outLogFilename = "out.log";
 const errorExitCode = 100;
 
 List<CreateControlFactory> createControlFactories = [
@@ -55,9 +54,9 @@ if os.getenv("FLET_PLATFORM") == "android":
 
     ssl._create_default_https_context = create_default_context
 
-out_file = open("$outLogFilename", "w+", buffering=1)
+out_file = open("{outLogFilename}", "w+", buffering=1)
 
-callback_socket_addr = os.environ.get("FLET_PYTHON_CALLBACK_SOCKET_ADDR")
+callback_socket_addr = os.getenv("FLET_PYTHON_CALLBACK_SOCKET_ADDR")
 if ":" in callback_socket_addr:
     addr, port = callback_socket_addr.split(":")
     callback_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -77,6 +76,7 @@ sys.exit = flet_exit
 
 ex = None
 try:
+    sys.argv = {argv}
     runpy.run_module("{module_name}", run_name="__main__")
 except Exception as e:
     ex = e
@@ -85,13 +85,15 @@ except Exception as e:
 sys.exit(0 if ex is None else $errorExitCode)
 """;
 
+String outLogFilename = "";
+
 // global vars
 String pageUrl = "";
 String assetsDir = "";
 String appDir = "";
 Map<String, String> environmentVariables = {};
 
-void main() async {
+void main(List<String> args) async {
   if (isProduction) {
     // ignore: avoid_returning_null_for_void
     debugPrint = (String? message, {int? wrapWidth}) => null;
@@ -111,10 +113,9 @@ void main() async {
                   pageUrl: pageUrl,
                   assetsDir: assetsDir,
                   hideLoadingPage: hideLoadingPage,
-                  createControlFactories: createControlFactories
-                )
+                  createControlFactories: createControlFactories)
               : FutureBuilder(
-                  future: runPythonApp(),
+                  future: runPythonApp(args),
                   builder:
                       (BuildContext context, AsyncSnapshot<String?> snapshot) {
                     if (snapshot.hasData || snapshot.hasError) {
@@ -127,11 +128,10 @@ void main() async {
                     } else {
                       // no result of error
                       return FletApp(
-                        pageUrl: pageUrl,
-                        assetsDir: assetsDir,
-                        hideLoadingPage: hideLoadingPage,
-                        createControlFactories: createControlFactories
-                      );
+                          pageUrl: pageUrl,
+                          assetsDir: assetsDir,
+                          hideLoadingPage: hideLoadingPage,
+                          createControlFactories: createControlFactories);
                     }
                   });
         } else if (snapshot.hasError) {
@@ -186,6 +186,8 @@ Future prepareApp() async {
     environmentVariables["FLET_APP_DATA"] = appDataPath;
     environmentVariables["FLET_APP_TEMP"] = appTempPath;
 
+    outLogFilename = path.join(appTempPath, "console.log");
+
     environmentVariables["FLET_PLATFORM"] =
         defaultTargetPlatform.name.toLowerCase();
 
@@ -204,8 +206,13 @@ Future prepareApp() async {
   return "";
 }
 
-Future<String?> runPythonApp() async {
-  var script = pythonScript.replaceAll('{module_name}', pythonModuleName);
+Future<String?> runPythonApp(List<String> args) async {
+  var argvItems = args.map((a) => "\"${a.replaceAll('"', '\\"')}\"");
+  var argv = "[${argvItems.isNotEmpty ? argvItems.join(',') : '""'}]";
+  var script = pythonScript
+      .replaceAll("{outLogFilename}", outLogFilename)
+      .replaceAll('{module_name}', pythonModuleName)
+      .replaceAll('{argv}', argv);
 
   var completer = Completer<String>();
 
@@ -338,4 +345,4 @@ Future<int> getUnusedPort() {
     socket.close();
     return port;
   });
-}
+}
\ No newline at end of file
diff --git a/{{cookiecutter.out_dir}}/pubspec.yaml b/{{cookiecutter.out_dir}}/pubspec.yaml
index 4d79dd8..570ae27 100644
--- a/{{cookiecutter.out_dir}}/pubspec.yaml
+++ b/{{cookiecutter.out_dir}}/pubspec.yaml
@@ -11,7 +11,7 @@ dependencies:
   flutter:
     sdk: flutter
 
-  serious_python: 0.8.1
+  serious_python: 0.8.2
   flet: 0.24.1
   
   path: ^1.9.0
diff --git a/{{cookiecutter.out_dir}}/web/manifest.json b/{{cookiecutter.out_dir}}/web/manifest.json
index cff4dcc..2afd07a 100644
--- a/{{cookiecutter.out_dir}}/web/manifest.json
+++ b/{{cookiecutter.out_dir}}/web/manifest.json
@@ -3,8 +3,8 @@
     "short_name": "{{ cookiecutter.project_name }}",
     "start_url": ".",
     "display": "standalone",
-    "background_color": "#0175C2",
-    "theme_color": "#0175C2",
+    "background_color": "{{ cookiecutter.pwa_background_color }}",
+    "theme_color": "{{ cookiecutter.pwa_theme_color }}",
     "description": "{{ cookiecutter.project_description }}",
     "orientation": "portrait-primary",
     "prefer_related_applications": false,