diff --git a/source/common/rendering/gles/gles_system.cpp b/source/common/rendering/gles/gles_system.cpp
index 51f8ee6a2..24904a7b0 100644
--- a/source/common/rendering/gles/gles_system.cpp
+++ b/source/common/rendering/gles/gles_system.cpp
@@ -10,7 +10,7 @@ CVAR(Bool, gles_force_glsl_v100, false, 0);
 CVAR(Int, gles_max_lights_per_surface, 32, 0);
 EXTERN_CVAR(Bool, gl_customshader);
 
-
+#define __ANDROID__
 #if USE_GLES2
 
 PFNGLMAPBUFFERRANGEEXTPROC glMapBufferRange = NULL;
@@ -182,6 +182,7 @@ namespace OpenGLESRenderer
 #if USE_GLES2
 		gles.depthStencilAvailable = CheckExtension("GL_OES_packed_depth_stencil");
 		gles.npotAvailable = CheckExtension("GL_OES_texture_npot");
+		gles.useMappedBuffers = true;
 		gles.depthClampAvailable = CheckExtension("GL_EXT_depth_clamp");
 #else
 		gles.depthStencilAvailable = true;
diff --git a/source/common/rendering/gles/gles_system.h b/source/common/rendering/gles/gles_system.h
index d7f6ed139..a43e4e52f 100644
--- a/source/common/rendering/gles/gles_system.h
+++ b/source/common/rendering/gles/gles_system.h
@@ -23,7 +23,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 
-#define USE_GLES2 0
+#define USE_GLES2 1
 
 #if (USE_GLES2)
 	#include "glad/glad.h"
diff --git a/source/games/duke/src/game_misc.cpp b/source/games/duke/src/game_misc.cpp
index c0a1fa0c2..1ec1bfbdf 100644
--- a/source/games/duke/src/game_misc.cpp
+++ b/source/games/duke/src/game_misc.cpp
@@ -239,8 +239,6 @@ void drawoverlays(double smoothratio)
 	int cposx, cposy, cang;
 
 	pp = &ps[screenpeek];
-	// set palette here, in case the 3D view is off.
-	setgamepalette(setpal(pp));
 
 	float blend[4] = {};
 
diff --git a/wadsrc/static/language.def b/wadsrc/static/language.def
new file mode 100644
index 000000000..210cdfb4e
--- /dev/null
+++ b/wadsrc/static/language.def
@@ -0,0 +1,4 @@
+[default]
+
+// Engine strings
+CNTRLMNU_OPEN_MAIN				= "Open Main Menu";
diff --git a/wadsrc/static/menudef.txt b/wadsrc/static/menudef.txt
index 964fdbcac..f4a39981c 100644
--- a/wadsrc/static/menudef.txt
+++ b/wadsrc/static/menudef.txt
@@ -737,6 +737,7 @@ OptionMenu "OtherControlsMenu" protected
 	Control    "$CNTRLMNU_ADJUST_GAMMA"    , "bumpgamma"
 
 	StaticText ""
+	Control    "$CNTRLMNU_OPEN_MAIN"       , "menu_main"
 	ifnotgame(Exhumed)
 	{
 		Control    "$CNTRLMNU_OPEN_HELP"       , "openhelpmenu"
@@ -1694,33 +1695,14 @@ OptionMenu CustomResolutionMenu protected
 
 	StaticText "$VIDMNU_RESPRESETHEAD"
 	StaticText ""
-	StaticText "$VIDMNU_ASPECT43"
+	Command "320x240", "menu_resolution_set_custom 320 240"
+	Command "360x240", "menu_resolution_set_custom 360 240"
+	Command "400x300", "menu_resolution_set_custom 400 300"
+	Command "450x300", "menu_resolution_set_custom 450 300"
+	Command "480x320", "menu_resolution_set_custom 480 320"
+	Command "480x360", "menu_resolution_set_custom 480 360"
+	Command "512x384", "menu_resolution_set_custom 512 384"
 	Command "640x480", "menu_resolution_set_custom 640 480"
-	Command "1024x768", "menu_resolution_set_custom 1024 768"
-	Command "1280x960", "menu_resolution_set_custom 1280 960"
-	Command "1600x1200", "menu_resolution_set_custom 1600 1200"
-	StaticText ""
-	StaticText "$VIDMNU_ASPECT54"
-	Command "1280x1024", "menu_resolution_set_custom 1280 1024"
-	StaticText ""
-	StaticText "$VIDMNU_ASPECT169"
-	Command "960x540", "menu_resolution_set_custom 960 540"
-	Command "(720p HD)   1280x720", "menu_resolution_set_custom 1280 720"
-	Command "1366x768", "menu_resolution_set_custom 1366 768"
-	Command "(1080p HD) 1920x1080", "menu_resolution_set_custom 1920 1080"
-	Command "(1440p HD) 2560x1440", "menu_resolution_set_custom 2560 1440"
-	Command "(4K UHD) 3840x2160", "menu_resolution_set_custom 3840 2160"
-	StaticText ""
-	StaticText "$VIDMNU_ASPECT1610"
-	Command "960x600", "menu_resolution_set_custom 960 600"
-	Command "1280x800", "menu_resolution_set_custom 1280 800"
-	Command "1440x900", "menu_resolution_set_custom 1440 900"
-	Command "1680x1050", "menu_resolution_set_custom 1680 1050"
-	Command "1920x1200", "menu_resolution_set_custom 1920 1200"
-	StaticText ""
-	StaticText "$VIDMNU_ASPECT219"
-	Command "1920x810", "menu_resolution_set_custom 1920 810"
-	Command "2560x1080", "menu_resolution_set_custom 2560 1080"
 }