diff --git a/android/build/filament-tasks.gradle b/android/build/filament-tasks.gradle
index 199b46b771..2a93de5e3f 100644
--- a/android/build/filament-tasks.gradle
+++ b/android/build/filament-tasks.gradle
@@ -96,7 +96,7 @@ class MaterialCompiler extends DefaultTask {
                 standardOutput out
                 errorOutput err
                 executable "${matcPath}"
-                args('-p', 'mobile', '-o', getOutputFile(file), file)
+                args('-a', 'all', '-p', 'mobile', '-o', getOutputFile(file), file)
             }
         }
 
diff --git a/android/filament-android/src/main/cpp/Engine.cpp b/android/filament-android/src/main/cpp/Engine.cpp
index eeb5a049ce..e508e4a614 100644
--- a/android/filament-android/src/main/cpp/Engine.cpp
+++ b/android/filament-android/src/main/cpp/Engine.cpp
@@ -22,9 +22,9 @@ using namespace filament;
 using namespace utils;
 
 extern "C" JNIEXPORT jlong JNICALL
-Java_com_google_android_filament_Engine_nCreateEngine(JNIEnv*, jclass,
+Java_com_google_android_filament_Engine_nCreateEngine(JNIEnv*, jclass, jlong backend,
         jlong sharedContext) {
-    return (jlong) Engine::create(Engine::Backend::OPENGL, nullptr, (void*) sharedContext);
+    return (jlong) Engine::create((Engine::Backend) backend, nullptr, (void*) sharedContext);
 }
 
 extern "C" JNIEXPORT void JNICALL
diff --git a/android/filament-android/src/main/java/com/google/android/filament/Engine.java b/android/filament-android/src/main/java/com/google/android/filament/Engine.java
index 00c044466e..a04e92c4d8 100644
--- a/android/filament-android/src/main/java/com/google/android/filament/Engine.java
+++ b/android/filament-android/src/main/java/com/google/android/filament/Engine.java
@@ -24,6 +24,13 @@ public class Engine {
     @NonNull private final LightManager mLightManager;
     @NonNull private final RenderableManager mRenderableManager;
 
+    public enum Backend {
+        DEFAULT,  // Automatically selects an appropriate driver for the platform.
+        OPENGL,   // Selects the OpenGL ES driver.
+        VULKAN,   // Selects the experimental Vulkan driver.
+        NOOP,     // Selects the no-op driver for testing purposes.
+    }
+
     private Engine(long nativeEngine) {
         mNativeObject = nativeEngine;
         mTransformManager = new TransformManager(nGetTransformManager(nativeEngine));
@@ -33,7 +40,14 @@ public class Engine {
 
     @NonNull
     public static Engine create() {
-        long nativeEngine = nCreateEngine(0);
+        long nativeEngine = nCreateEngine(0, 0);
+        if (nativeEngine == 0) throw new IllegalStateException("Couldn't create Engine");
+        return new Engine(nativeEngine);
+    }
+
+    @NonNull
+    public static Engine create(@NonNull Backend backend) {
+        long nativeEngine = nCreateEngine(backend.ordinal(), 0);
         if (nativeEngine == 0) throw new IllegalStateException("Couldn't create Engine");
         return new Engine(nativeEngine);
     }
@@ -46,7 +60,7 @@ public class Engine {
     @NonNull
     public static Engine create(@NonNull Object sharedContext) {
         if (Platform.get().validateSharedContext(sharedContext)) {
-            long nativeEngine = nCreateEngine(
+            long nativeEngine = nCreateEngine(0,
                     Platform.get().getSharedContextNativeHandle(sharedContext));
             if (nativeEngine == 0) throw new IllegalStateException("Couldn't create Engine");
             return new Engine(nativeEngine);
@@ -263,7 +277,7 @@ public class Engine {
         mNativeObject = 0;
     }
 
-    private static native long nCreateEngine(long sharedContext);
+    private static native long nCreateEngine(long backend, long sharedContext);
     private static native void nDestroyEngine(long nativeEngine);
     private static native long nCreateSwapChain(long nativeEngine, Object nativeWindow, long flags);
     private static native long nCreateSwapChainFromRawPointer(long nativeEngine, long pointer, long flags);
diff --git a/build.sh b/build.sh
index 42e4a7f32a..2d1fedad2b 100755
--- a/build.sh
+++ b/build.sh
@@ -600,7 +600,7 @@ while getopts ":hacfijmp:tuvs" opt; do
             echo "To switch your application to Vulkan, in Android Studio go to "
             echo "File > Settings > Build > Compiler. In the command-line options field, "
             echo "add -Pextra_cmake_args=-DFILAMENT_SUPPORTS_VULKAN=ON."
-            echo "Also be sure to pass Backend::VULKAN to Engine::create."
+            echo "Also be sure to pass Engine.Backend.VULKAN to Engine.create."
             echo ""
             ;;
         s)
diff --git a/filament/src/Engine.cpp b/filament/src/Engine.cpp
index 02e259c044..64ea019dcd 100644
--- a/filament/src/Engine.cpp
+++ b/filament/src/Engine.cpp
@@ -356,10 +356,8 @@ int FEngine::loop() {
     if (platform == nullptr) {
         platform = Platform::create(&mBackend);
         mPlatform = platform;
-#if !defined(NDEBUG)
         slog.d << "FEngine resolved backend: "
                << (mBackend == driver::Backend::VULKAN ? "Vulkan" : "OpenGL") << io::endl;
-#endif
     }
     mDriver = platform->createDriver(mSharedGLContext);
     mDriverBarrier.latch();