diff --git a/assets/public/images/android-chrome-512x512.png b/assets/public/images/android-chrome-512x512.png
new file mode 100755
index 00000000..8afed32f
Binary files /dev/null and b/assets/public/images/android-chrome-512x512.png differ
diff --git a/assets/public/site.webmanifest b/assets/public/site.webmanifest
index af05c900..1c2676c6 100644
--- a/assets/public/site.webmanifest
+++ b/assets/public/site.webmanifest
@@ -11,10 +11,15 @@
             "src": "/assets/images/android-chrome-256x256.png",
             "sizes": "256x256",
             "type": "image/png"
+        },
+        {
+            "src": "/assets/images/android-chrome-512x512.png",
+            "sizes": "512x512",
+            "type": "image/png"
         }
     ],
     "theme_color": "#ffffff",
-    "background_color": "#ffffff",
+    "background_color": "#003366",
     "display": "standalone",
     "start_url": "/"
 }
\ No newline at end of file