diff --git a/launcher/android.cpp b/launcher/android.cpp
index 7e5b4aa6..149c9d07 100644
--- a/launcher/android.cpp
+++ b/launcher/android.cpp
@@ -4,6 +4,7 @@
 
 #ifdef ANDROID
 #include <android/log.h>
+#include <SDL_version.h>
 
 #define TAG "SRCENG"
 #define PRIO ANDROID_LOG_DEBUG
@@ -69,18 +70,6 @@ int iLastArgs = 0;
 #define LogPrintf(...) do { __android_log_print(PRIO, TAG, __VA_ARGS__); printf( __VA_ARGS__); } while( 0 );
 #define DLLEXPORT extern "C" __attribute__((visibility("default")))
 
-DLLEXPORT void Java_com_valvesoftware_ValveActivity2_setDataDirectoryPath(JNIEnv *env, jclass *clazz, jstring path)
-{
-	setenv( "APP_DATA_PATH", env->GetStringUTFChars(path, NULL), 1);
-	LogPrintf( "Java_com_valvesoftware_ValveActivity2_setDataDirectoryPath: %s", getenv("APP_DATA_PATH") );
-}
-
-DLLEXPORT void Java_com_valvesoftware_ValveActivity2_setGameDirectoryPath(JNIEnv *env, jclass *clazz, jstring path)
-{
-	LogPrintf( "Java_com_valvesoftware_ValveActivity2_setGameDirectoryPath" );
-	setenv( "VALVE_GAME_PATH", env->GetStringUTFChars(path, NULL), 1 );
-}
-
 DLLEXPORT int Java_com_valvesoftware_ValveActivity2_setenv(JNIEnv *jenv, jclass *jclass, jstring env, jstring value, jint over)
 {
 	LogPrintf( "Java_com_valvesoftware_ValveActivity2_setenv %s=%s", jenv->GetStringUTFChars(env, NULL), jenv->GetStringUTFChars(value, NULL) );
@@ -133,6 +122,10 @@ void SetLauncherArgs()
 
 DLLEXPORT int LauncherMainAndroid( int argc, char **argv )
 {
+	SDL_version ver;
+	SDL_GetVersion( &ver );
+
+	LogPrintf("SDL version: %d.%d.%d rev: %s\n", (int)ver.major, (int)ver.minor, (int)ver.patch, SDL_GetRevision());
 
 	SetLauncherArgs();
 
diff --git a/public/filesystem_init.cpp b/public/filesystem_init.cpp
index ba30f129..86baacd3 100644
--- a/public/filesystem_init.cpp
+++ b/public/filesystem_init.cpp
@@ -307,6 +307,9 @@ static bool Sys_GetExecutableName( char *out, int len )
 
 bool FileSystem_GetExecutableDir( char *exedir, int exeDirLen )
 {
+#ifdef ANDROID
+	Q_snprintf( exedir, exeDirLen, "%s", getenv("APP_LIB_PATH") );
+#else
 	exedir[0] = 0;
 
 	if ( s_bUseVProjectBinDir )
@@ -341,11 +344,7 @@ bool FileSystem_GetExecutableDir( char *exedir, int exeDirLen )
 
 	Q_FixSlashes( exedir );
 
-#ifdef ANDROID
-	const char* libDir = "lib";
-#else
 	const char* libDir = "bin";
-#endif
 
 	// Return the bin directory as the executable dir if it's not in there
 	// because that's really where we're running from...
@@ -357,6 +356,7 @@ bool FileSystem_GetExecutableDir( char *exedir, int exeDirLen )
 		Q_strncat( exedir, libDir, exeDirLen, COPY_ALL_CHARACTERS );
 		Q_FixSlashes( exedir );
 	}
+#endif
 
 	return true;
 }
diff --git a/public/materialsystem/imesh.h b/public/materialsystem/imesh.h
index 3995642b..28393404 100644
--- a/public/materialsystem/imesh.h
+++ b/public/materialsystem/imesh.h
@@ -1156,7 +1156,7 @@ inline void CVertexBuilder::FastAdvanceNVertices( int n )
 //-----------------------------------------------------------------------------
 inline void CVertexBuilder::FastVertex( const ModelVertexDX7_t &vertex )
 {
-#if defined(__arm__) || defined(__arm64__)
+#if defined(__arm__) || defined(__aarch64__)
 	FastVertexSSE( vertex );
 #else
 	Assert( m_CompressionType == VERTEX_COMPRESSION_NONE ); // FIXME: support compressed verts if needed
@@ -1326,7 +1326,7 @@ inline void CVertexBuilder::Fast4VerticesSSE(
 
 inline void CVertexBuilder::FastVertex( const ModelVertexDX8_t &vertex )
 {
-#if defined(__arm__) || defined(__arm64__)
+#if defined(__arm__) || defined(__aarch64__)
 	FastVertexSSE( vertex );
 #else
 	Assert( m_CompressionType == VERTEX_COMPRESSION_NONE ); // FIXME: support compressed verts if needed
diff --git a/tier1/interface.cpp b/tier1/interface.cpp
index 8170186f..82c8d9cd 100644
--- a/tier1/interface.cpp
+++ b/tier1/interface.cpp
@@ -306,7 +306,7 @@ CSysModule *Sys_LoadModule( const char *pModuleName, Sys_Flags flags /* = SYS_NO
 
 #ifdef ANDROID
 		struct stat statBuf;
-		char *dataPath = getenv("APP_DATA_PATH");
+		char *libPath = getenv("APP_LIB_PATH");
 
 		char *modLibPath = getenv("APP_MOD_LIB");
 		if( modLibPath && *modLibPath ) // first load library from mod launcher
@@ -314,13 +314,13 @@ CSysModule *Sys_LoadModule( const char *pModuleName, Sys_Flags flags /* = SYS_NO
 			Q_snprintf(szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/lib%s", modLibPath, pModuleName);
 			if( stat(szAbsoluteModuleName, &statBuf) != 0 )
 				Q_snprintf(szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/%s", modLibPath, pModuleName);
-			
+
 			hDLL = Sys_LoadLibrary(szAbsoluteModuleName, flags);
 		}
 
-		Q_snprintf(szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/lib/lib%s", dataPath ,pModuleName);
+		Q_snprintf(szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/lib%s", libPath ,pModuleName);
 		if( stat(szAbsoluteModuleName, &statBuf) != 0 )
-			Q_snprintf(szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/lib/%s", dataPath ,pModuleName);
+			Q_snprintf(szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/%s", libPath ,pModuleName);
 #else
 #ifdef POSIX
 		struct stat statBuf;