diff --git a/phone_app/android/app/src/main/res/drawable-hdpi/ic_launcher_foreground.png b/phone_app/android/app/src/main/res/drawable-hdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..324e781
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-hdpi/ic_launcher_foreground.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-hdpi/ic_launcher_monochrome.png b/phone_app/android/app/src/main/res/drawable-hdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..06bbd70
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-hdpi/ic_launcher_monochrome.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-mdpi/ic_launcher_foreground.png b/phone_app/android/app/src/main/res/drawable-mdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..b35cbb4
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-mdpi/ic_launcher_foreground.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-mdpi/ic_launcher_monochrome.png b/phone_app/android/app/src/main/res/drawable-mdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..c5cf58b
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-mdpi/ic_launcher_monochrome.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-xhdpi/ic_launcher_foreground.png b/phone_app/android/app/src/main/res/drawable-xhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..186fe45
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-xhdpi/ic_launcher_foreground.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-xhdpi/ic_launcher_monochrome.png b/phone_app/android/app/src/main/res/drawable-xhdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..cf19b59
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-xhdpi/ic_launcher_monochrome.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-xxhdpi/ic_launcher_foreground.png b/phone_app/android/app/src/main/res/drawable-xxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..7514e9d
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-xxhdpi/ic_launcher_foreground.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-xxhdpi/ic_launcher_monochrome.png b/phone_app/android/app/src/main/res/drawable-xxhdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..9add760
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-xxhdpi/ic_launcher_monochrome.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-xxxhdpi/ic_launcher_foreground.png b/phone_app/android/app/src/main/res/drawable-xxxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..e2a1bde
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-xxxhdpi/ic_launcher_foreground.png differ
diff --git a/phone_app/android/app/src/main/res/drawable-xxxhdpi/ic_launcher_monochrome.png b/phone_app/android/app/src/main/res/drawable-xxxhdpi/ic_launcher_monochrome.png
new file mode 100644
index 0000000..1b7a04a
Binary files /dev/null and b/phone_app/android/app/src/main/res/drawable-xxxhdpi/ic_launcher_monochrome.png differ
diff --git a/phone_app/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/phone_app/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..d506366
--- /dev/null
+++ b/phone_app/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,14 @@
+<?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"/>
+  <foreground>
+      <inset
+          android:drawable="@drawable/ic_launcher_foreground"
+          android:inset="16%" />
+  </foreground>
+  <monochrome>
+      <inset
+          android:drawable="@drawable/ic_launcher_monochrome"
+          android:inset="16%" />
+  </monochrome>
+</adaptive-icon>
diff --git a/phone_app/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/phone_app/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
index db77bb4..6f0b0e7 100644
Binary files a/phone_app/android/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/phone_app/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/phone_app/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/phone_app/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
index 17987b7..1b3ad33 100644
Binary files a/phone_app/android/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/phone_app/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/phone_app/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/phone_app/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 09d4391..e4ed190 100644
Binary files a/phone_app/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/phone_app/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/phone_app/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/phone_app/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index d5f1c8d..39658d7 100644
Binary files a/phone_app/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/phone_app/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/phone_app/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/phone_app/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 4d6372e..2406682 100644
Binary files a/phone_app/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/phone_app/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/phone_app/android/app/src/main/res/values/colors.xml b/phone_app/android/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..89a0cc8
--- /dev/null
+++ b/phone_app/android/app/src/main/res/values/colors.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#1B1D21</color>
+</resources>
diff --git a/phone_app/assets/icon/icon.png b/phone_app/assets/icon/icon.png
new file mode 100644
index 0000000..cbfbaee
Binary files /dev/null and b/phone_app/assets/icon/icon.png differ
diff --git a/phone_app/assets/icon/icon.svg b/phone_app/assets/icon/icon.svg
new file mode 100644
index 0000000..58ed50f
--- /dev/null
+++ b/phone_app/assets/icon/icon.svg
@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <rect width="1024" height="1024" fill="#1B1D21"/>
+  <g fill="none" stroke="#FFA726" stroke-width="72" stroke-linecap="round" stroke-linejoin="round" transform="translate(0,0)">
+    <circle cx="512" cy="512" r="244"/>
+    <path d="M 512 512 L 512 350"/>
+    <path d="M 512 512 L 636 512"/>
+  </g>
+</svg>
diff --git a/phone_app/assets/icon/icon_foreground.png b/phone_app/assets/icon/icon_foreground.png
new file mode 100644
index 0000000..8343974
Binary files /dev/null and b/phone_app/assets/icon/icon_foreground.png differ
diff --git a/phone_app/assets/icon/icon_foreground.svg b/phone_app/assets/icon/icon_foreground.svg
new file mode 100644
index 0000000..b211efc
--- /dev/null
+++ b/phone_app/assets/icon/icon_foreground.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <g fill="none" stroke="#FFA726" stroke-width="72" stroke-linecap="round" stroke-linejoin="round" transform="translate(0,0)">
+    <circle cx="512" cy="512" r="244"/>
+    <path d="M 512 512 L 512 350"/>
+    <path d="M 512 512 L 636 512"/>
+  </g>
+</svg>
diff --git a/phone_app/assets/icon/icon_monochrome.png b/phone_app/assets/icon/icon_monochrome.png
new file mode 100644
index 0000000..223a697
Binary files /dev/null and b/phone_app/assets/icon/icon_monochrome.png differ
diff --git a/phone_app/assets/icon/icon_monochrome.svg b/phone_app/assets/icon/icon_monochrome.svg
new file mode 100644
index 0000000..a2cb448
--- /dev/null
+++ b/phone_app/assets/icon/icon_monochrome.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <g fill="none" stroke="#FFFFFF" stroke-width="72" stroke-linecap="round" stroke-linejoin="round" transform="translate(0,0)">
+    <circle cx="512" cy="512" r="244"/>
+    <path d="M 512 512 L 512 350"/>
+    <path d="M 512 512 L 636 512"/>
+  </g>
+</svg>
diff --git a/phone_app/pubspec.lock b/phone_app/pubspec.lock
index 30b0ea8..9802b68 100644
--- a/phone_app/pubspec.lock
+++ b/phone_app/pubspec.lock
@@ -9,6 +9,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.3.1"
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      sha256: a96e8b390886ee8abb49b7bd3ac8df6f451c621619f52a26e815fdcf568959ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.9"
   args:
     dependency: transitive
     description:
@@ -41,6 +49,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.1"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      sha256: "959525d3162f249993882720d52b7e0c833978df229be20702b33d48d91de70f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.4"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      sha256: ff6785f7e9e3c38ac98b2fb035701789de90154024a75b6cb926445e83197d1c
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.2"
   clock:
     dependency: transitive
     description:
@@ -119,6 +143,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_launcher_icons:
+    dependency: "direct dev"
+    description:
+      name: flutter_launcher_icons
+      sha256: "10f13781741a2e3972126fae08393d3c4e01fa4cd7473326b94b72cf594195e7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.14.4"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -201,6 +233,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.2"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      sha256: "6300175e00616bbc832e2fc91bfa4d776af5402c81c7151bee6905bb08473c52"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.9.1"
   jni:
     dependency: transitive
     description:
@@ -225,6 +265,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.6.7"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: "2a743920d81b7910627f68ee2c9ac1fc0bfee32b9fc3403587d7c6791ca12f80"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.12.0"
   leak_tracker:
     dependency: transitive
     description:
@@ -353,6 +401,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: "91bd59303e9f769f108f8df05e371341b15d59e995e6806aefab827b58336675"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.2"
   platform:
     dependency: transitive
     description:
@@ -369,6 +425,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  posix:
+    dependency: transitive
+    description:
+      name: posix
+      sha256: "185ef7606574f789b40f289c233efa52e96dead518aed988e040a10737febb07"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.5.0"
   pub_semver:
     dependency: transitive
     description:
@@ -614,6 +678,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: "67f0aff7be013d107995e9b75bf4e7f2c3ef2dfdb2c8e68024bba0a7fd5756a4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
   yaml:
     dependency: transitive
     description:
diff --git a/phone_app/pubspec.yaml b/phone_app/pubspec.yaml
index 0aa416e..07e1d25 100644
--- a/phone_app/pubspec.yaml
+++ b/phone_app/pubspec.yaml
@@ -25,9 +25,24 @@ dependencies:
   url_launcher: ^6.3.0
 
 dev_dependencies:
+  # Generates the Android launcher icons from assets/icon/ (see
+  # python_pkg/app_icons in testsAndMisc for the shared style).
+  flutter_launcher_icons: ^0.14.4
   flutter_test:
     sdk: flutter
   very_good_analysis: ^10.2.0
 
 flutter:
   uses-material-design: true
+
+# Launcher icon generation. Source art is produced by the shared generator:
+#   PYTHONPATH=~/testsAndMisc python3 -m python_pkg.app_icons generate --app <key>
+# then run: dart run flutter_launcher_icons
+flutter_launcher_icons:
+  android: true
+  ios: false
+  image_path: "assets/icon/icon.png"
+  adaptive_icon_background: "#1B1D21"
+  adaptive_icon_foreground: "assets/icon/icon_foreground.png"
+  adaptive_icon_monochrome: "assets/icon/icon_monochrome.png"
+  min_sdk_android: 21