diff --git a/android/android/app/src/main/res/drawable-land-hdpi/splash.png b/android/android/app/src/main/res/drawable-land-hdpi/splash.png
deleted file mode 100644
index e31573b..0000000
Binary files a/android/android/app/src/main/res/drawable-land-hdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-land-mdpi/splash.png b/android/android/app/src/main/res/drawable-land-mdpi/splash.png
deleted file mode 100644
index f7a6492..0000000
Binary files a/android/android/app/src/main/res/drawable-land-mdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-land-xhdpi/splash.png b/android/android/app/src/main/res/drawable-land-xhdpi/splash.png
deleted file mode 100644
index 8077255..0000000
Binary files a/android/android/app/src/main/res/drawable-land-xhdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-land-xxhdpi/splash.png b/android/android/app/src/main/res/drawable-land-xxhdpi/splash.png
deleted file mode 100644
index 14c6c8f..0000000
Binary files a/android/android/app/src/main/res/drawable-land-xxhdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-land-xxxhdpi/splash.png b/android/android/app/src/main/res/drawable-land-xxxhdpi/splash.png
deleted file mode 100644
index 244ca25..0000000
Binary files a/android/android/app/src/main/res/drawable-land-xxxhdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-night/splash.xml b/android/android/app/src/main/res/drawable-night/splash.xml
new file mode 100644
index 0000000..5688809
--- /dev/null
+++ b/android/android/app/src/main/res/drawable-night/splash.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Compat splash for API < 31. API 31+ uses windowSplashScreenBackground /
+  windowSplashScreenAnimatedIcon from AppTheme.NoActionBarLaunch instead.
+  Night variant lives in drawable-night/.
+-->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@color/splash_background" />
+    <item android:gravity="center">
+        <bitmap
+            android:src="@mipmap/ic_launcher_foreground"
+            android:gravity="center" />
+    </item>
+</layer-list>
diff --git a/android/android/app/src/main/res/drawable-port-hdpi/splash.png b/android/android/app/src/main/res/drawable-port-hdpi/splash.png
deleted file mode 100644
index 74faaa5..0000000
Binary files a/android/android/app/src/main/res/drawable-port-hdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-port-mdpi/splash.png b/android/android/app/src/main/res/drawable-port-mdpi/splash.png
deleted file mode 100644
index e944f4a..0000000
Binary files a/android/android/app/src/main/res/drawable-port-mdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-port-xhdpi/splash.png b/android/android/app/src/main/res/drawable-port-xhdpi/splash.png
deleted file mode 100644
index 564a82f..0000000
Binary files a/android/android/app/src/main/res/drawable-port-xhdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-port-xxhdpi/splash.png b/android/android/app/src/main/res/drawable-port-xxhdpi/splash.png
deleted file mode 100644
index bfabe68..0000000
Binary files a/android/android/app/src/main/res/drawable-port-xxhdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-port-xxxhdpi/splash.png b/android/android/app/src/main/res/drawable-port-xxxhdpi/splash.png
deleted file mode 100644
index 6929071..0000000
Binary files a/android/android/app/src/main/res/drawable-port-xxxhdpi/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/android/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
deleted file mode 100644
index c7bd21d..0000000
--- a/android/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportHeight="108"
-    android:viewportWidth="108">
-    <path
-        android:fillType="evenOdd"
-        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
-        android:strokeColor="#00000000"
-        android:strokeWidth="1">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="78.5885"
-                android:endY="90.9159"
-                android:startX="48.7653"
-                android:startY="61.0927"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
-        android:strokeColor="#00000000"
-        android:strokeWidth="1" />
-</vector>
diff --git a/android/android/app/src/main/res/drawable/ic_launcher_background.xml b/android/android/app/src/main/res/drawable/ic_launcher_background.xml
index d5fccc5..3a0c27d 100644
--- a/android/android/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/android/android/app/src/main/res/drawable/ic_launcher_background.xml
@@ -1,170 +1,27 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Adaptive-icon background: the brand's rose → amber → rose diagonal, matching
+  the gradient in web/static/icons/source.svg. Replaces the Android Studio
+  template's teal grid.
+-->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
     android:width="108dp"
     android:height="108dp"
-    android:viewportHeight="108"
-    android:viewportWidth="108">
-    <path
-        android:fillColor="#26A69A"
-        android:pathData="M0,0h108v108h-108z" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M9,0L9,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,0L19,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,0L29,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,0L39,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,0L49,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,0L59,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,0L69,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,0L79,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M89,0L89,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M99,0L99,108"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,9L108,9"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,19L108,19"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,29L108,29"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,39L108,39"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,49L108,49"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,59L108,59"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,69L108,69"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,79L108,79"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,89L108,89"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,99L108,99"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,29L89,29"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,39L89,39"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,49L89,49"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,59L89,59"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,69L89,69"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,79L89,79"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,19L29,89"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,19L39,89"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,19L49,89"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,19L59,89"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,19L69,89"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,19L79,89"
-        android:strokeColor="#33FFFFFF"
-        android:strokeWidth="0.8" />
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M0,0h108v108h-108z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:type="linear"
+                android:startX="0"
+                android:startY="0"
+                android:endX="108"
+                android:endY="108">
+                <item android:offset="0.0" android:color="#FFF43F5E" />
+                <item android:offset="0.5" android:color="#FFF59E0B" />
+                <item android:offset="1.0" android:color="#FFF43F5E" />
+            </gradient>
+        </aapt:attr>
+    </path>
 </vector>
diff --git a/android/android/app/src/main/res/drawable/splash.png b/android/android/app/src/main/res/drawable/splash.png
deleted file mode 100644
index f7a6492..0000000
Binary files a/android/android/app/src/main/res/drawable/splash.png and /dev/null differ
diff --git a/android/android/app/src/main/res/drawable/splash.xml b/android/android/app/src/main/res/drawable/splash.xml
new file mode 100644
index 0000000..5688809
--- /dev/null
+++ b/android/android/app/src/main/res/drawable/splash.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Compat splash for API < 31. API 31+ uses windowSplashScreenBackground /
+  windowSplashScreenAnimatedIcon from AppTheme.NoActionBarLaunch instead.
+  Night variant lives in drawable-night/.
+-->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@color/splash_background" />
+    <item android:gravity="center">
+        <bitmap
+            android:src="@mipmap/ic_launcher_foreground"
+            android:gravity="center" />
+    </item>
+</layer-list>
diff --git a/android/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/android/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
index 036d09b..ed84880 100644
--- a/android/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/android/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/ic_launcher_background"/>
+    <background android:drawable="@drawable/ic_launcher_background"/>
     <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
-</adaptive-icon>
\ No newline at end of file
+    <!-- Android 13+ themed icons: without this layer the launcher falls back
+         to the full-colour icon on themed home screens. -->
+    <monochrome android:drawable="@mipmap/ic_launcher_monochrome"/>
+</adaptive-icon>
diff --git a/android/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/android/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
index 036d09b..061cf28 100644
--- a/android/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/android/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Same layers as ic_launcher: on API 26+ the launcher applies its own mask, so
+  the round variant must not bake in a circle of its own. The circular
+  ic_launcher_round.png files remain for API 25 and below.
+-->
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/ic_launcher_background"/>
+    <background android:drawable="@drawable/ic_launcher_background"/>
     <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
-</adaptive-icon>
\ No newline at end of file
+    <monochrome android:drawable="@mipmap/ic_launcher_monochrome"/>
+</adaptive-icon>
diff --git a/android/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
index c023e50..b689787 100644
Binary files a/android/android/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/android/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
index 2127973..c136f32 100644
Binary files a/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png and b/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png differ
diff --git a/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_monochrome.png b/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..7a8a4f2
Binary files /dev/null and b/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_monochrome.png differ
diff --git a/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
index b441f37..459b59b 100644
Binary files a/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png and b/android/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/android/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
index 72905b8..61d40dd 100644
Binary files a/android/android/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/android/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
index 8ed0605..f9312c0 100644
Binary files a/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png and b/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png differ
diff --git a/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_monochrome.png b/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..61cf226
Binary files /dev/null and b/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_monochrome.png differ
diff --git a/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
index 9502e47..504b635 100644
Binary files a/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png and b/android/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 4d1e077..a14905a 100644
Binary files a/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
index df0f158..a5277bc 100644
Binary files a/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png and b/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png differ
diff --git a/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_monochrome.png b/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..ee223cf
Binary files /dev/null and b/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_monochrome.png differ
diff --git a/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
index 853db04..c0f7d56 100644
Binary files a/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png and b/android/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index 6cdf97c..b4d00a5 100644
Binary files a/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
index 2960cbb..b00e192 100644
Binary files a/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png and b/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png differ
diff --git a/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_monochrome.png b/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..f7b4926
Binary files /dev/null and b/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_monochrome.png differ
diff --git a/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
index 8e3093a..72bc69a 100644
Binary files a/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png and b/android/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 46de6e2..cf294df 100644
Binary files a/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
index d2ea9ab..a511b08 100644
Binary files a/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png and b/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png differ
diff --git a/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_monochrome.png b/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..c008a4c
Binary files /dev/null and b/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_monochrome.png differ
diff --git a/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
index a40d73e..a5b4593 100644
Binary files a/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png and b/android/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/android/android/app/src/main/res/values-night/colors.xml b/android/android/app/src/main/res/values-night/colors.xml
new file mode 100644
index 0000000..5a51f88
--- /dev/null
+++ b/android/android/app/src/main/res/values-night/colors.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Matches the web app's dark --background (app.css). The app ships a
+         full dark theme; a light splash flashed white before the WebView
+         painted. -->
+    <color name="splash_background">#050813</color>
+</resources>
diff --git a/android/android/app/src/main/res/values/colors.xml b/android/android/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..8e2e1c8
--- /dev/null
+++ b/android/android/app/src/main/res/values/colors.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Matches the web app's light --background (app.css). -->
+    <color name="splash_background">#FFFBEB</color>
+</resources>
diff --git a/android/android/app/src/main/res/values/ic_launcher_background.xml b/android/android/app/src/main/res/values/ic_launcher_background.xml
deleted file mode 100644
index c5d5899..0000000
--- a/android/android/app/src/main/res/values/ic_launcher_background.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <color name="ic_launcher_background">#FFFFFF</color>
-</resources>
\ No newline at end of file