diff --git a/app/assets/py/WelsonAppLoader_pb2.py b/app/assets/py/WelsonAppLoader_pb2.py
new file mode 100644
index 0000000..d505953
--- /dev/null
+++ b/app/assets/py/WelsonAppLoader_pb2.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: WelsonAppLoader.proto
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x15WelsonAppLoader.proto\"\x1d\n\nAppRequest\x12\x0f\n\x07\x61ppName\x18\x01 \x01(\t\"#\n\x0b\x41ppResponse\x12\x14\n\x0cresponseText\x18\x01 \x01(\t25\n\x0fWelsonAppLoader\x12\"\n\x03Run\x12\x0b.AppRequest\x1a\x0c.AppResponse\"\x00\x62\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'WelsonAppLoader_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+
+  DESCRIPTOR._options = None
+  _globals['_APPREQUEST']._serialized_start=25
+  _globals['_APPREQUEST']._serialized_end=54
+  _globals['_APPRESPONSE']._serialized_start=56
+  _globals['_APPRESPONSE']._serialized_end=91
+  _globals['_WELSONAPPLOADER']._serialized_start=93
+  _globals['_WELSONAPPLOADER']._serialized_end=146
+# @@protoc_insertion_point(module_scope)
diff --git a/app/assets/py/WelsonAppLoader_pb2.pyi b/app/assets/py/WelsonAppLoader_pb2.pyi
new file mode 100644
index 0000000..a129d5b
--- /dev/null
+++ b/app/assets/py/WelsonAppLoader_pb2.pyi
@@ -0,0 +1,17 @@
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from typing import ClassVar as _ClassVar, Optional as _Optional
+
+DESCRIPTOR: _descriptor.FileDescriptor
+
+class AppRequest(_message.Message):
+    __slots__ = ["appName"]
+    APPNAME_FIELD_NUMBER: _ClassVar[int]
+    appName: str
+    def __init__(self, appName: _Optional[str] = ...) -> None: ...
+
+class AppResponse(_message.Message):
+    __slots__ = ["responseText"]
+    RESPONSETEXT_FIELD_NUMBER: _ClassVar[int]
+    responseText: str
+    def __init__(self, responseText: _Optional[str] = ...) -> None: ...
diff --git a/app/assets/py/WelsonAppLoader_pb2_grpc.py b/app/assets/py/WelsonAppLoader_pb2_grpc.py
new file mode 100644
index 0000000..a23d31c
--- /dev/null
+++ b/app/assets/py/WelsonAppLoader_pb2_grpc.py
@@ -0,0 +1,66 @@
+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
+import grpc
+
+import WelsonAppLoader_pb2 as WelsonAppLoader__pb2
+
+
+class WelsonAppLoaderStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.Run = channel.unary_unary(
+                '/WelsonAppLoader/Run',
+                request_serializer=WelsonAppLoader__pb2.AppRequest.SerializeToString,
+                response_deserializer=WelsonAppLoader__pb2.AppResponse.FromString,
+                )
+
+
+class WelsonAppLoaderServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def Run(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_WelsonAppLoaderServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'Run': grpc.unary_unary_rpc_method_handler(
+                    servicer.Run,
+                    request_deserializer=WelsonAppLoader__pb2.AppRequest.FromString,
+                    response_serializer=WelsonAppLoader__pb2.AppResponse.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'WelsonAppLoader', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class WelsonAppLoader(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def Run(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/WelsonAppLoader/Run',
+            WelsonAppLoader__pb2.AppRequest.SerializeToString,
+            WelsonAppLoader__pb2.AppResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
diff --git a/app/assets/py/apploader.py b/app/assets/py/apploader.py
new file mode 100644
index 0000000..e0c7960
--- /dev/null
+++ b/app/assets/py/apploader.py
@@ -0,0 +1,62 @@
+#-*- coding: utf-8 -*-
+
+# apploader.py
+# WelsonJS app loader over gRPC protocol (gRPC proto 3) - Server
+# https://github.com/gnh1201/welsonjs
+
+import os
+import sys
+import win32com
+import win32com.client
+import pythoncom
+
+sys.path.insert(0, '')
+
+from concurrent import futures
+import logging
+
+import grpc
+import WelsonAppLoader_pb2
+import WelsonAppLoader_pb2_grpc
+
+# get file path
+workingDirectory = os.path.join(os.path.dirname(__file__), '../../..')
+print('[*] Working Directory: ' + workingDirectory);
+
+def runApp(appName):
+    # Initalization for SubThread
+    pythoncom.CoInitialize()
+
+    # load scriptcontrol.js file
+    f = open(workingDirectory + "/scriptcontrol.js", 'r')
+    payload_code = f.read()
+
+    # load JScript engine
+    sc = win32com.client.Dispatch('MSScriptControl.ScriptControl') 
+    sc.Language = "JScript"
+    sc.AddCode(payload_code);
+    sc.Run('setWorkingDirectory', workingDirectory);
+    result = sc.Run('run', appName)
+
+    # check a result
+    print (result)
+
+    # Return a result
+    return result
+
+class WelsonAppLoader(WelsonAppLoader_pb2_grpc.WelsonAppLoaderServicer):
+    def Run(self, request, context):
+        return WelsonAppLoader_pb2.AppResponse(responseText=runApp(request.appName))
+
+def serve():
+    port = "50051"
+    server = grpc.server(futures.ThreadPoolExecutor(max_workers=1))  # Only allow 1 worker
+    WelsonAppLoader_pb2_grpc.add_WelsonAppLoaderServicer_to_server(WelsonAppLoader(), server)
+    server.add_insecure_port("[::]:" + port)
+    server.start()
+    print("Server started, listening on " + port)
+    server.wait_for_termination()
+
+if __name__ == "__main__":
+    logging.basicConfig()
+    serve()
diff --git a/app/assets/py/apploader_test.py b/app/assets/py/apploader_test.py
new file mode 100644
index 0000000..4c12000
--- /dev/null
+++ b/app/assets/py/apploader_test.py
@@ -0,0 +1,27 @@
+#-*- coding: utf-8 -*-
+
+# apploader_test.py
+# WelsonJS app loader over gRPC protocol (gRPC proto 3) - Client
+# https://github.com/gnh1201/welsonjs
+
+from __future__ import print_function
+
+import sys
+sys.path.insert(0, '')
+
+from concurrent import futures
+import logging
+
+import grpc
+import WelsonAppLoader_pb2
+import WelsonAppLoader_pb2_grpc
+
+def run():
+    with grpc.insecure_channel("localhost:50051") as channel:
+        stub = WelsonAppLoader_pb2_grpc.WelsonAppLoaderStub(channel)
+        response = stub.Run(WelsonAppLoader_pb2.AppRequest(appName="helloworld"))
+    print("Response: " + response.responseText)
+
+if __name__ == "__main__":
+    logging.basicConfig()
+    run()