diff --git a/ion/src/simulator/assets/horizontal_arrow.jpg b/ion/src/simulator/assets/horizontal_arrow.jpg
deleted file mode 100644
index 248143985..000000000
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diff --git a/ion/src/simulator/assets/horizontal_arrow.png b/ion/src/simulator/assets/horizontal_arrow.png
new file mode 100644
index 000000000..37c38df24
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diff --git a/ion/src/simulator/assets/large_squircle.jpg b/ion/src/simulator/assets/large_squircle.jpg
deleted file mode 100644
index cb729b6b9..000000000
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diff --git a/ion/src/simulator/assets/large_squircle.png b/ion/src/simulator/assets/large_squircle.png
new file mode 100644
index 000000000..b83f4e223
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diff --git a/ion/src/simulator/assets/round.jpg b/ion/src/simulator/assets/round.jpg
deleted file mode 100644
index 9311aacee..000000000
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diff --git a/ion/src/simulator/assets/round.png b/ion/src/simulator/assets/round.png
new file mode 100644
index 000000000..2085d125d
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diff --git a/ion/src/simulator/assets/small_squircle.jpg b/ion/src/simulator/assets/small_squircle.jpg
deleted file mode 100644
index 9673e9851..000000000
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diff --git a/ion/src/simulator/assets/small_squircle.png b/ion/src/simulator/assets/small_squircle.png
new file mode 100644
index 000000000..9e7583a4f
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diff --git a/ion/src/simulator/assets/vertical_arrow.jpg b/ion/src/simulator/assets/vertical_arrow.jpg
deleted file mode 100644
index b6e34cf1d..000000000
Binary files a/ion/src/simulator/assets/vertical_arrow.jpg and /dev/null differ
diff --git a/ion/src/simulator/assets/vertical_arrow.png b/ion/src/simulator/assets/vertical_arrow.png
new file mode 100644
index 000000000..05672b9a5
Binary files /dev/null and b/ion/src/simulator/assets/vertical_arrow.png differ
diff --git a/ion/src/simulator/macos/images.m b/ion/src/simulator/macos/images.m
index 57f839e3e..03c82ab51 100644
--- a/ion/src/simulator/macos/images.m
+++ b/ion/src/simulator/macos/images.m
@@ -3,7 +3,7 @@
 #include <SDL.h>
 #include <AppKit/AppKit.h>
 
-SDL_Texture * IonSimulatorLoadImage(SDL_Renderer * renderer, const char * identifier, bool withTransparency, uint8_t alpha) {
+SDL_Texture * IonSimulatorLoadImage(SDL_Renderer * renderer, const char * identifier) {
   NSImage * nsImage = [NSImage imageNamed:[NSString stringWithUTF8String:identifier]];
   CGImageRef cgImage = [nsImage CGImageForProposedRect:NULL
                                                context:NULL
@@ -15,11 +15,12 @@ SDL_Texture * IonSimulatorLoadImage(SDL_Renderer * renderer, const char * identi
   size_t height = CGImageGetHeight(cgImage);
 
   size_t bytesPerPixel = 4;
-  size_t bitsPerPixel = bytesPerPixel*8;
   size_t bytesPerRow = bytesPerPixel * width;
   size_t bitsPerComponent = 8;
 
-  void * bitmapData = malloc(height * width * bytesPerPixel);
+  size_t size = height * width * bytesPerPixel;
+  void * bitmapData = malloc(size);
+  memset(bitmapData, 0, size);
 
   CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
   CGContextRef context = CGBitmapContextCreate(
@@ -33,21 +34,24 @@ SDL_Texture * IonSimulatorLoadImage(SDL_Renderer * renderer, const char * identi
   CGContextRelease(context);
   CGColorSpaceRelease(colorSpace);
 
-  SDL_Surface * surface = SDL_CreateRGBSurfaceWithFormatFrom(
-      bitmapData,
-      width,
-      height,
-      bitsPerPixel,
-      bytesPerRow,
-      SDL_PIXELFORMAT_ABGR8888);
+  SDL_Texture * texture = SDL_CreateTexture(
+    renderer,
+    SDL_PIXELFORMAT_ABGR8888,
+    SDL_TEXTUREACCESS_STATIC,
+    width,
+    height
+  );
 
-  SDL_SetColorKey(surface, withTransparency, SDL_MapRGB(surface->format, 0xFF, 0xFF, 0xFF));
-  SDL_SetSurfaceAlphaMod(surface, alpha);
+  SDL_UpdateTexture(
+    texture,
+    NULL,
+    bitmapData,
+    bytesPerPixel * width
+  );
 
-  SDL_Texture * texture = SDL_CreateTextureFromSurface(renderer, surface);
+  SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
 
   free(bitmapData);
-  SDL_FreeSurface(surface);
 
   return texture;
 }
diff --git a/ion/src/simulator/shared/apple/helpers.mak b/ion/src/simulator/shared/apple/helpers.mak
index eaec0ac4e..53442cd27 100644
--- a/ion/src/simulator/shared/apple/helpers.mak
+++ b/ion/src/simulator/shared/apple/helpers.mak
@@ -16,15 +16,15 @@ $(simulator_app_binary): $(foreach arch,$(ARCHS),$(BUILD_DIR)/$(arch)/%.bin) | $
 
 # Background & Keys images
 
-define rule_for_jpg_asset
-simulator_app_deps += $(call simulator_app_resource,$(1).jpg)
-$(call simulator_app_resource,$(1).jpg): ion/src/simulator/assets/$(1).jpg | $$$$(@D)/.
+define rule_for_asset
+simulator_app_deps += $(call simulator_app_resource,$(1))
+$(call simulator_app_resource,$(1)): ion/src/simulator/assets/$(1) | $$$$(@D)/.
 	$(call rule_label,COPY)
 	$(Q) cp $$^ $$@
 endef
 
-JPG_ASSETS = background horizontal_arrow large_squircle round small_squircle vertical_arrow
-$(foreach ASSET,$(JPG_ASSETS),$(eval $(call rule_for_jpg_asset,$(ASSET))))
+ASSETS = background.jpg horizontal_arrow.png large_squircle.png round.png small_squircle.png vertical_arrow.png
+$(foreach ASSET,$(ASSETS),$(eval $(call rule_for_asset,$(ASSET))))
 
 # Process icons
 
@@ -45,4 +45,4 @@ $(addprefix $(SIMULATOR_ICONSET)/,icon_%.png): ion/src/simulator/assets/logo.svg
 # Export simulator app dependencies
 
 simulator_app_deps += $(simulator_app_binary)
-simulator_app_deps += $(call simulator_app_plist,Info.plist)
\ No newline at end of file
+simulator_app_deps += $(call simulator_app_plist,Info.plist)
diff --git a/ion/src/simulator/shared/layout.cpp b/ion/src/simulator/shared/layout.cpp
index 890ce13a6..a41c39e82 100644
--- a/ion/src/simulator/shared/layout.cpp
+++ b/ion/src/simulator/shared/layout.cpp
@@ -103,11 +103,11 @@ public:
   };
   static constexpr size_t NumberOfShapes = (size_t)Shape::NumberOfShapes;
   static constexpr const char * imagePathForKey[KeyLayout::NumberOfShapes] = {
-    "horizontal_arrow.jpg",
-    "vertical_arrow.jpg",
-    "round.jpg",
-    "small_squircle.jpg",
-    "large_squircle.jpg"
+    "horizontal_arrow.png",
+    "vertical_arrow.png",
+    "round.png",
+    "small_squircle.png",
+    "large_squircle.png"
   };
 
   constexpr KeyLayout(float x, float y, Shape shape) :
@@ -198,14 +198,13 @@ static void getKeyRectangle(int validKeyIndex, SDL_Texture * texture, SDL_Rect *
   makeAbsolute(fRect, rect);
 }
 
-static constexpr uint8_t k_blendingRatio = 0x44;
 static SDL_Texture * sBackgroundTexture = nullptr;
 static SDL_Texture * sKeyLayoutTextures[KeyLayout::NumberOfShapes];
 
 void init(SDL_Renderer * renderer) {
-  sBackgroundTexture = IonSimulatorLoadImage(renderer, "background.jpg", false, 0xFF);
+  sBackgroundTexture = IonSimulatorLoadImage(renderer, "background.jpg");
   for (size_t i = 0; i < KeyLayout::NumberOfShapes; i++) {
-    sKeyLayoutTextures[i] = IonSimulatorLoadImage(renderer, KeyLayout::imagePathForKey[i], true, k_blendingRatio);
+    sKeyLayoutTextures[i] = IonSimulatorLoadImage(renderer, KeyLayout::imagePathForKey[i]);
   }
 }
 
diff --git a/ion/src/simulator/shared/platform.h b/ion/src/simulator/shared/platform.h
index ce566a4a9..494c83c23 100644
--- a/ion/src/simulator/shared/platform.h
+++ b/ion/src/simulator/shared/platform.h
@@ -11,7 +11,7 @@ extern "C" {
 /* Those functions should be implemented per-platform.
  * They are defined as C function for easier interop. */
 
-SDL_Texture * IonSimulatorLoadImage(SDL_Renderer * renderer, const char * identifier, bool withTransparency, uint8_t alpha);
+SDL_Texture * IonSimulatorLoadImage(SDL_Renderer * renderer, const char * identifier);
 char * IonSimulatorGetLanguageCode();
 
 #if EPSILON_SDL_SCREEN_ONLY