diff --git a/Projects/Android/jni/src/Lambda1VR/L1VR_SurfaceView.c b/Projects/Android/jni/src/Lambda1VR/L1VR_SurfaceView.c
index 084dec2..95a3cc3 100644
--- a/Projects/Android/jni/src/Lambda1VR/L1VR_SurfaceView.c
+++ b/Projects/Android/jni/src/Lambda1VR/L1VR_SurfaceView.c
@@ -1311,6 +1311,9 @@ void VR_Init()
 	snapTurn = 0.0f;
 	ducked = DUCK_NOTDUCKED;
 
+	//init randomiser
+	srand(time(NULL));
+
 	//Create Cvars
 	vr_snapturn_angle = Cvar_Get( "vr_snapturn_angle", "45", CVAR_ARCHIVE, "Sets the angle for snap-turn, set to < 10.0 to enable smooth turning" );
 	vr_reloadtimeoutms = Cvar_Get( "vr_reloadtimeoutms", "200", CVAR_ARCHIVE, "How quickly the grip trigger needs to be release to initiate a reload" );
@@ -1325,6 +1328,7 @@ void VR_Init()
 	vr_enable_crouching = Cvar_Get( "vr_enable_crouching", "1", CVAR_ARCHIVE, "Crouching irl triggers ducking in game" );
     vr_height_adjust = Cvar_Get( "vr_height_adjust", "0.0", CVAR_ARCHIVE, "Additional height adjustment for in-game player (in metres)" );
     vr_flashlight_model = Cvar_Get( "vr_flashlight_model", "1", CVAR_ARCHIVE, "Set to 0 to prevent drawing the flashlight model" );
+	vr_mirror_weapons = Cvar_Get( "vr_mirror_weapons", "0", CVAR_ARCHIVE, "Set to 1 to mirror the weapon models (for left handed use)" );
 
     //Not to be changed by users, as it will be overwritten anyway
 	vr_stereo_side = Cvar_Get( "vr_stereo_side", "0", CVAR_READ_ONLY, "Eye being drawn" );
@@ -1403,14 +1407,14 @@ void * AppThreadFunction( void * parm )
 #ifndef DEMO
 						if (argc != 0)
 						{
-                            Host_Main(argc, argv, "valve", false, NULL);
+                            Host_Main(argc, (const char**)argv, "valve", false, NULL);
 						}
 						else
 #endif
 						{
 							int argc = 1; char *argv[] = { "xash3d" };
 
-                            Host_Main(argc, argv, "valve", false, NULL);
+                            Host_Main(argc, (const char**)argv, "valve", false, NULL);
 						}
 
 						xash_initialised = true;
@@ -1550,7 +1554,7 @@ void * AppThreadFunction( void * parm )
                     break;
 			}
 
-			static usingScreenLayer = true; //Starts off using the screen layer
+			static bool usingScreenLayer = true; //Starts off using the screen layer
 			if (usingScreenLayer != useScreenLayer())
 			{
                 usingScreenLayer = useScreenLayer();
diff --git a/Projects/Android/jni/src/Lambda1VR/VrCvars.h b/Projects/Android/jni/src/Lambda1VR/VrCvars.h
index 6f9783f..a71469f 100644
--- a/Projects/Android/jni/src/Lambda1VR/VrCvars.h
+++ b/Projects/Android/jni/src/Lambda1VR/VrCvars.h
@@ -15,6 +15,7 @@ convar_t	*vr_control_scheme;
 convar_t	*vr_enable_crouching;
 convar_t	*vr_height_adjust;
 convar_t	*vr_flashlight_model;
+convar_t	*vr_mirror_weapons;
 
 //Used and updated continuously during rendering
 convar_t	*vr_stereo_side;
\ No newline at end of file
diff --git a/Projects/Android/jni/src/Xash3D/xash3d/engine/client/gl_studio.c b/Projects/Android/jni/src/Xash3D/xash3d/engine/client/gl_studio.c
index ee8046f..dcc043a 100644
--- a/Projects/Android/jni/src/Xash3D/xash3d/engine/client/gl_studio.c
+++ b/Projects/Android/jni/src/Xash3D/xash3d/engine/client/gl_studio.c
@@ -3721,6 +3721,8 @@ void R_RunViewmodelEvents( void )
 R_DrawViewModel
 =================
 */
+
+extern convar_t	*vr_mirror_weapons;
 void R_DrawViewModel( void )
 {
 	if( RI.refdef.onlyClientDraw || r_drawviewmodel->integer == 0 )
@@ -3750,8 +3752,8 @@ void R_DrawViewModel( void )
 	// hack the depth range to prevent view model from poking into walls
 	pglDepthRange( gldepthmin, gldepthmin + 0.3f * ( gldepthmax - gldepthmin ));
 
-	// backface culling for left-handed weapons
-	g_iBackFaceCull = r_lefthand->integer == 1;//R_LeftHand(); // GL_FrontFace is called in SetupStudioRenderer
+	// backface culling for mirrored weapons
+	g_iBackFaceCull = vr_mirror_weapons->integer == 1;//R_LeftHand(); // GL_FrontFace is called in SetupStudioRenderer
 	RI.currententity->curstate.scale = 1.0f;
 	RI.currententity->curstate.frame = 0;
 	RI.currententity->curstate.framerate = 1.0f;
diff --git a/Projects/Android/jni/src/gl4es/src/gl/const.h b/Projects/Android/jni/src/gl4es/src/gl/const.h
index 5b21f0c..c096f2d 100644
--- a/Projects/Android/jni/src/gl4es/src/gl/const.h
+++ b/Projects/Android/jni/src/gl4es/src/gl/const.h
@@ -581,7 +581,9 @@
 #define GL_TEXTURE_DEPTH_TYPE             0x8C16
 #define GL_UNSIGNED_NORMALIZED            0x8C17
 #define GL_FRAMEBUFFER_BINDING            0x8CA6
+#ifndef GL_DRAW_FRAMEBUFFER_BINDING
 #define GL_DRAW_FRAMEBUFFER_BINDING       GL_FRAMEBUFFER_BINDING
+#endif
 #define GL_RENDERBUFFER_BINDING           0x8CA7
 #define GL_READ_FRAMEBUFFER               0x8CA8
 #define GL_DRAW_FRAMEBUFFER               0x8CA9
diff --git a/Projects/Android/jni/src/hlsdk-xash3d b/Projects/Android/jni/src/hlsdk-xash3d
index b9f3370..ded2e78 160000
--- a/Projects/Android/jni/src/hlsdk-xash3d
+++ b/Projects/Android/jni/src/hlsdk-xash3d
@@ -1 +1 @@
-Subproject commit b9f337071c2c78662f0227226b0a105fbe7cec6b
+Subproject commit ded2e78f9064a5b5bc2be3935614505446e2146c
diff --git a/assets/sprites/s_stealth.spr b/assets/sprites/s_stealth.spr
index fd87c69..d164161 100644
Binary files a/assets/sprites/s_stealth.spr and b/assets/sprites/s_stealth.spr differ