diff --git a/README.md b/README.md
index 4e0c391..d258289 100644
--- a/README.md
+++ b/README.md
@@ -334,7 +334,7 @@ mkdir bin-web
 cd bin-web
 emsdk activate latest
 emcmake cmake ..
-make
+make -j3
 python -m http.server
 ```
 7. Visit this url **localhost:8000** in your **Web Browser**.
diff --git a/app/src/main/cpp/SDL_android_main.c b/app/src/main/cpp/SDL_android_main.c
index 00193e8..d17e1b8 100644
--- a/app/src/main/cpp/SDL_android_main.c
+++ b/app/src/main/cpp/SDL_android_main.c
@@ -1,3 +1,4 @@
+#if !defined(IS_ENGINE_VS_CODE)
 /*
     SDL_android_main.c, placed in the public domain by Sam Lantinga  3/13/14
 */
@@ -81,3 +82,4 @@ JNIEXPORT int JNICALL Java_com_author_isengine_SDLActivity_nativeInit(JNIEnv* en
 #endif /* __ANDROID__ */
 
 /* vi: set ts=4 sw=4 expandtab: */
+#endif /* IS_ENGINE_VS_CODE */
\ No newline at end of file
diff --git a/app/src/main/cpp/isEngine/system/function/GameFunction.cpp b/app/src/main/cpp/isEngine/system/function/GameFunction.cpp
index 02ccc49..e7e944d 100644
--- a/app/src/main/cpp/isEngine/system/function/GameFunction.cpp
+++ b/app/src/main/cpp/isEngine/system/function/GameFunction.cpp
@@ -123,6 +123,7 @@ float degToRad(float x)
 
 float lengthDirX(float dir, float angle, bool useScreenScale)
 {
+#if defined(IS_ENGINE_SDL_2)
     if (useScreenScale)
     {
         if (static_cast<int>(is::IS_ENGINE_SDL_screenXScale) != 1)
@@ -132,11 +133,13 @@ float lengthDirX(float dir, float angle, bool useScreenScale)
         }
         return (dir * std::cos(degToRad(angle))) / is::IS_ENGINE_SDL_screenXScale;
     }
+#endif
     return dir * std::cos(degToRad(angle));
 }
 
 float lengthDirY(float dir, float angle, bool useScreenScale)
 {
+#if defined(IS_ENGINE_SDL_2)
     if (useScreenScale)
     {
         if (static_cast<int>(is::IS_ENGINE_SDL_screenXScale) != 1)
@@ -146,6 +149,7 @@ float lengthDirY(float dir, float angle, bool useScreenScale)
             return (dir * std::sin(degToRad(angle))) / is::IS_ENGINE_SDL_screenYScale;
         }
     }
+#endif
     return dir * std::sin(degToRad(angle));
 }
 
diff --git a/app/src/main/cpp/main.cpp b/app/src/main/cpp/main.cpp
index a10beb0..da9673e 100644
--- a/app/src/main/cpp/main.cpp
+++ b/app/src/main/cpp/main.cpp
@@ -22,17 +22,6 @@
 #if defined(IS_ENGINE_VS_CODE)
 #include "Main.hpp"
 #endif
-#if defined(IS_ENGINE_HTML_5)
-#include <emscripten.h>
-#include <emscripten/bind.h>
-
-inline std::vector<std::string> *vectorFromIntPointer(uintptr_t vec) {
-  return reinterpret_cast<std::vector<std::string> *>(vec);
-}
-EMSCRIPTEN_BINDINGS(Wrappers) {
-  emscripten::register_vector<std::string>("VectorString").constructor(&vectorFromIntPointer, emscripten::allow_raw_pointers());
-};
-#endif
 #include "isEngine/core/GameEngine.h"
 
 ////////////////////////////////////////////////////////////