diff --git a/data/com.wyattjmiller.snespatcher.desktop b/data/com.wyattjmiller.snespatcher.desktop
new file mode 100644
index 0000000..6184286
--- /dev/null
+++ b/data/com.wyattjmiller.snespatcher.desktop
@@ -0,0 +1,11 @@
+[Desktop Entry]
+Type=Application
+Name=SNES Patcher
+GenericName=ROM Patcher
+Comment=Apply IPS and BPS patches to Super Nintendo ROMs
+Exec=snespatcher
+Icon=com.wyattjmiller.snespatcher
+Terminal=false
+Categories=Utility;
+Keywords=SNES;ROM;IPS;BPS;Patch;
+StartupNotify=true
diff --git a/data/com.wyattjmiller.snespatcher.metainfo.xml b/data/com.wyattjmiller.snespatcher.metainfo.xml
new file mode 100644
index 0000000..b62ab68
--- /dev/null
+++ b/data/com.wyattjmiller.snespatcher.metainfo.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+  <id>com.wyattjmiller.snespatcher</id>
+
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>MPL-2.0</project_license>
+
+  <name>SNES Patcher</name>
+  <summary>Apply IPS and BPS patches to Super Nintendo ROMs</summary>
+
+  <description>
+    <p>
+      SNES Patcher creates patched copies of Super Nintendo ROMs
+      while preserving the original file.
+    </p>
+  </description>
+
+  <launchable type="desktop-id">
+    com.wyattjmiller.snespatcher.desktop
+  </launchable>
+
+  <url type="homepage">
+    https://scm.wyattjmiller.com/wymiller/snespatcher
+  </url>
+
+  <content_rating type="oars-1.1"/>
+</component>
diff --git a/data/icons/hicolor/scalable/apps/com.wyattjmiller.snespatcher.svg b/data/icons/hicolor/scalable/apps/com.wyattjmiller.snespatcher.svg
new file mode 100644
index 0000000..9a8128f
--- /dev/null
+++ b/data/icons/hicolor/scalable/apps/com.wyattjmiller.snespatcher.svg
@@ -0,0 +1,102 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="256" height="256" viewBox="0 0 256 256">
+  <defs>
+    <linearGradient id="body" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0" stop-color="#565b66"/>
+      <stop offset="1" stop-color="#353944"/>
+    </linearGradient>
+    <linearGradient id="panel" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0" stop-color="#4b505b"/>
+      <stop offset="1" stop-color="#373b45"/>
+    </linearGradient>
+    <linearGradient id="gold" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0" stop-color="#ffd36a"/>
+      <stop offset="1" stop-color="#e9a834"/>
+    </linearGradient>
+    <filter id="shadow" x="-20%" y="-20%" width="140%" height="150%">
+      <feDropShadow dx="0" dy="5" stdDeviation="5" flood-color="#000" flood-opacity=".28"/>
+    </filter>
+    <filter id="arrowShadow" x="-30%" y="-30%" width="160%" height="160%">
+      <feDropShadow dx="0" dy="2" stdDeviation="2" flood-color="#000" flood-opacity=".35"/>
+    </filter>
+  </defs>
+
+  <!-- Cartridge -->
+  <g filter="url(#shadow)">
+    <!-- main shell -->
+    <path d="
+      M55 26
+      Q44 26 39 33
+      Q35 39 35 49
+      L35 72
+      Q35 79 29 84
+      L24 88
+      L24 100
+      L30 104
+      Q35 108 35 116
+      L35 190
+      Q35 203 44 212
+      Q51 220 63 220
+      L193 220
+      Q205 220 212 212
+      Q221 203 221 190
+      L221 116
+      Q221 108 226 104
+      L232 100
+      L232 88
+      L227 84
+      Q221 79 221 72
+      L221 49
+      Q221 39 216 33
+      Q211 26 200 26
+      Z"
+      fill="url(#body)" stroke="#2b2e36" stroke-width="5" stroke-linejoin="round"/>
+
+    <!-- top grooves -->
+    <rect x="61" y="49" width="134" height="7" rx="3.5" fill="#292d35"/>
+    <rect x="61" y="63" width="134" height="7" rx="3.5" fill="#292d35"/>
+
+    <!-- center inset -->
+    <rect x="64" y="88" width="128" height="101" rx="15"
+          fill="#30343d" stroke="#252932" stroke-width="5"/>
+    <rect x="70" y="94" width="116" height="89" rx="11"
+          fill="url(#panel)" stroke="#626874" stroke-width="2"/>
+
+    <!-- tiny triangle notch -->
+    <path d="M118 194 L138 194 L128 205 Z" fill="#252932"/>
+
+    <!-- gold contacts -->
+    <rect x="61" y="207" width="134" height="23" rx="4"
+          fill="url(#gold)" stroke="#7e581c" stroke-width="3"/>
+    <g stroke="#b77920" stroke-width="3">
+      <line x1="78" y1="208" x2="78" y2="229"/>
+      <line x1="95" y1="208" x2="95" y2="229"/>
+      <line x1="112" y1="208" x2="112" y2="229"/>
+      <line x1="129" y1="208" x2="129" y2="229"/>
+      <line x1="146" y1="208" x2="146" y2="229"/>
+      <line x1="163" y1="208" x2="163" y2="229"/>
+      <line x1="180" y1="208" x2="180" y2="229"/>
+    </g>
+  </g>
+
+  <!-- down arrow -->
+  <path d="
+    M119 112
+    Q119 106 125 106
+    L131 106
+    Q137 106 137 112
+    L137 144
+    L151 130
+    Q155 126 159 130
+    L164 135
+    Q168 139 164 143
+    L132 175
+    Q128 179 124 175
+    L92 143
+    Q88 139 92 135
+    L97 130
+    Q101 126 105 130
+    L119 144
+    Z"
+    fill="#f2f2f2" stroke="#d7d7d7" stroke-width="2" stroke-linejoin="round"
+    filter="url(#arrowShadow)"/>
+</svg>
diff --git a/flake.nix b/flake.nix
index 4baf4b5..69694bf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,8 @@
 
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
-  outputs = { self, nixpkgs }:
+  outputs =
+    { self, nixpkgs }:
     let
       supportedSystems = [
         "x86_64-linux"
@@ -12,7 +13,16 @@
       forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
     in
     {
-      packages = forAllSystems (system:
+      formatter = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in
+        pkgs.nixfmt-rfc-style
+      );
+
+      packages = forAllSystems (
+        system:
         let
           pkgs = nixpkgs.legacyPackages.${system};
         in
@@ -23,7 +33,8 @@
 
             src = pkgs.lib.cleanSourceWith {
               src = ./.;
-              filter = path: type:
+              filter =
+                path: type:
                 let
                   name = baseNameOf path;
                 in
@@ -47,6 +58,20 @@
               gtk4
             ];
 
+            postInstall = ''
+              install -Dm444 \
+                data/com.wyattjmiller.snespatcher.desktop \
+                $out/share/applications/com.wyattjmiller.snespatcher.desktop
+
+              install -Dm444 \
+                data/com.wyattjmiller.snespatcher.metainfo.xml \
+                $out/share/metainfo/com.wyattjmiller.snespatcher.metainfo.xml
+
+              install -Dm444 \
+                data/icons/hicolor/scalable/apps/com.wyattjmiller.snespatcher.svg \
+                $out/share/icons/hicolor/scalable/apps/com.wyattjmiller.snespatcher.svg
+            '';
+
             meta = {
               description = "GTK 4 application for applying IPS patches to SNES ROMs";
               homepage = "https://scm.wyattjmiller.com/wymiller/snespatcher";
@@ -57,9 +82,11 @@
           };
 
           default = snespatcher;
-        });
+        }
+      );
 
-      devShells = forAllSystems (system:
+      devShells = forAllSystems (
+        system:
         let
           pkgs = nixpkgs.legacyPackages.${system};
         in
@@ -72,8 +99,11 @@
               clippy
               rustc
               rustfmt
+              desktop-file-utils
+              appstream
             ];
           };
-        });
+        }
+      );
     };
 }
diff --git a/src/main.rs b/src/main.rs
index b569b3f..eb574dc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,6 +16,7 @@ use gtk4::{
 };
 
 const APP_ID: &str = "com.wyattjmiller.snespatcher";
+const APP_NAME: &str = "SNES Patcher";
 
 #[derive(Clone)]
 struct SelectionState {
@@ -31,6 +32,7 @@ struct SelectionRow {
 }
 
 fn main() {
+    glib::set_application_name(APP_NAME);
     let app = Application::new(Some(APP_ID), Default::default());
     app.connect_activate(build_ui);
     app.run();
@@ -194,6 +196,8 @@ fn build_header_bar(
     about.connect_activate(glib::clone!(@weak window => move |_, _| {
         let dialog = AboutDialog::builder()
             .transient_for(&window)
+            .program_name(APP_NAME)
+            .logo_icon_name(APP_ID)
             .modal(true)
             .program_name("SNES Patcher")
             .version(env!("CARGO_PKG_VERSION"))