diff --git a/README.md b/README.md
index af30c9cc3e..c3a72886ef 100755
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ List of Definitions
 * [Cheerio](https://github.com/MatthewMueller/cheerio) (by [Bret Little](https://github.com/blittle))
 * [Chosen](http://harvesthq.github.com/chosen/) (by [Boris Yankov](https://github.com/borisyankov))
 * [Chrome](http://developer.chrome.com/extensions/) (by [Matthew Kimber](https://github.com/matthewkimber))
+* [Chrome App](http://developer.chrome.com/apps/) (by [Adam Lay](https://github.com/AdamLay))
 * [CodeMirror](http://codemirror.net) (by [François de Campredon](https://github.com/fdecampredon))
 * [Commander](http://github.com/visionmedia/commander.js) (by [Marcelo Dezem](https://github.com/mdezem))
 * [d3.js](http://d3js.org/) (from TypeScript samples)
diff --git a/chrome/chrome-app-tests.ts b/chrome/chrome-app-tests.ts
new file mode 100644
index 0000000000..0ae0ae2af4
--- /dev/null
+++ b/chrome/chrome-app-tests.ts
@@ -0,0 +1,27 @@
+/// <reference path="chrome-app.d.ts" />
+
+import runtime = chrome.app.runtime;
+import cwindow = chrome.app.window;
+
+var createOptions: cwindow.CreateOptions = {
+    id: "My Window",
+    bounds: {
+        left: 0,
+        top: 0,
+        width: 640,
+        height: 480
+    },
+    resizable: true
+};
+
+//Create new window on app launch
+chrome.app.runtime.onLaunched.addListener(function (launchData: runtime.LaunchData) {
+    chrome.app.window.create('app/url', createOptions, function (created_window: cwindow.AppWindow) {
+        return;
+    });
+});
+
+chrome.app.runtime.onRestarted.addListener(function () { return; });
+
+// Get Current Window
+var currentWindow: cwindow.AppWindow = chrome.app.window.current();
\ No newline at end of file
diff --git a/chrome/chrome-app.d.ts b/chrome/chrome-app.d.ts
new file mode 100644
index 0000000000..c8dd2e6d46
--- /dev/null
+++ b/chrome/chrome-app.d.ts
@@ -0,0 +1,95 @@
+// Type definitions for Chrome packaged application development.
+// Project: http://developer.chrome.com/apps/
+// Definitions by: Adam Lay <https://github.com/AdamLay>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+////////////////////
+// App Runtime
+////////////////////
+declare module chrome.app.runtime {
+    interface LaunchData {
+        id?: string;
+        items?: LaunchDataItem[];
+        url?: string;
+        referrerUrl?: string;
+        isKioskSession?: boolean;
+    }
+
+    interface LaunchDataItem {
+        entry: File;
+        type: string;
+    }
+
+    interface LaunchedEvent {
+        addListener(callback: (launchData: LaunchData) => void);
+    }
+
+    interface RestartedEvent {
+        addListener(callback: () => void);
+    }
+
+    var onLaunched: LaunchedEvent;
+    var onRestarted: RestartedEvent;
+}
+
+////////////////////
+// App Window
+////////////////////
+declare module chrome.app.window {
+    interface Bounds {
+        left?: number;
+        top?: number;
+        width?: number;
+        height?: number;
+    }
+
+    interface AppWindow {
+        focus: () => void;
+        fullscreen: () => void;
+        isFullscreen: () => boolean;
+        minimize: () => void;
+        isMinimized: () => boolean;
+        maximize: () => void;
+        isMaximized: () => boolean;
+        restore: () => void;
+        moveTo: (left: number, top: number) => void;
+        resizeTo: (width: number, height: number) => void;
+        drawAttention: () => void;
+        clearAttention: () => void;
+        close: () => void;
+        show: () => void;
+        hide: () => void;
+        getBounds: () => Bounds;
+        setBounds: (bounds: Bounds) => void;
+        contentWindow: Window;
+    }
+
+    interface CreateOptions {
+        id?: string;
+        minWidth?: number;
+        minHeight?: number;
+        maxWidth?: number;
+        maxHeight?: number;
+        frame?: string; // "none", "chrome"
+        bounds?: Bounds;
+        transparentBackground?: boolean;
+        state?: string; // "normal", "fullscreen", "maximized", "minimized" 
+        hidden?: boolean;
+        resizable?: boolean;
+        singleton?: boolean;
+    }
+
+    export function create(url: string, options?: CreateOptions, callback?: (created_window: AppWindow) => void): void;
+    export function current(): AppWindow;
+
+    interface WindowEvent {
+        addListener(callback: () => void): void;
+    }
+
+    var onBoundsChanged: WindowEvent;
+    var onClosed: WindowEvent;
+    var onFullscreened: WindowEvent;
+    var onMaximized: WindowEvent;
+    var onMinimized: WindowEvent;
+    var onRestored: WindowEvent;
+}
\ No newline at end of file