diff --git a/wiiu/wiiu-tests.ts b/wiiu/wiiu-tests.ts
new file mode 100644
index 000000000..0417e252a
--- /dev/null
+++ b/wiiu/wiiu-tests.ts
@@ -0,0 +1,56 @@
+/// <reference path="./wiiu.d.ts" />
+
+var state = window.wiiu.gamepad.update();
+if( !state.isEnabled || !state.isDataValid ){
+    console.log('gyro X:' + state.gyroX.toString() + ' Y:' + state.gyroY.toString() + ' Z:' + state.gyroZ.toString());
+    console.log('angle X:' + state.angleX.toString() + ' Y:' + state.angleY.toString() + ' Z:' + state.angleZ.toString());
+    console.log('dirX X:' + state.dirXx.toString() + ' Y:' + state.dirXy.toString() + ' Z:' + state.dirXz.toString());
+    console.log('dirY X:' + state.dirYx.toString() + ' Y:' + state.dirYy.toString() + ' Z:' + state.dirYz.toString());
+    console.log('dirZ X:' + state.dirZx.toString() + ' Y:' + state.dirZy.toString() + ' Z:' + state.dirZz.toString());
+    console.log('acc X:' + state.accX.toString() + ' Y:' + state.accY.toString() + ' Z:' + state.accZ.toString());
+    console.log('LStick axis X:' + state.lStickX.toString() + ' Y:' + state.lStickY.toString());
+    console.log('RStick axis X:' + state.rStickX.toString() + ' Y:' + state.rStickY.toString());
+
+    if(state.hold & window.wiiu.Button.A){
+        console.log('pushing A button');
+    }
+
+    if( state.tpTouch && state.tpValidity == window.wiiu.TPValidity.VALID ){
+        console.log("touch X:" + state.contentX.toString() + " Y:" + state.contentY.toString());
+    }
+}
+
+document.getElementById('video').addEventListener('wiiu_videoplayer_end', (e) => {
+    console.log(e);
+    console.log('VideoPlayer end');
+});
+
+if(window.wiiu.videoplayer.viewMode == 0){
+    window.wiiu.videoplayer.viewMode = 1;
+}
+window.wiiu.videoplayer.end();
+
+window.addEventListener('wiiu_imageview_start', (e) => {
+    console.log(e);
+    console.log('ImageViewer start');
+});
+window.addEventListener('wiiu_imageview_end', (e) => {
+    console.log(e);
+    console.log('ImageViewer end');
+});
+window.addEventListener('wiiu_imageview_change_viewmode', (e) => {
+    console.log(e);
+    console.log('ImageViewer change viewmode');
+    if(window.wiiu.imageview.viewMode == 1){
+        window.wiiu.imageview.viewMode = 0;
+    }
+});
+window.addEventListener('wiiu_imageview_change_content', (e) => {
+    console.log(e);
+    console.log('ImageViewer change content');
+});
+window.addEventListener('wiiu_imageview_error', (e) => {
+    console.log(e);
+    console.log('ImageViewer error');
+    console.log(window.wiiu.imageview.getErrorCode());
+});
diff --git a/wiiu/wiiu.d.ts b/wiiu/wiiu.d.ts
new file mode 100644
index 000000000..184fc5f0a
--- /dev/null
+++ b/wiiu/wiiu.d.ts
@@ -0,0 +1,112 @@
+// Type definitions for Extended Functionality of Wii U Internet Browser
+// Project: https://www.nintendo.co.jp/wiiu/hardware/internetbrowser/extended_functionality.html
+// Definitions by: MIZUSHIMA Junki <https://github.com/mzsm>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare module wiiu {
+    const enum TPValidity {
+        VALID = 0,
+        X_INVALID = 1,
+        Y_INVALID = 2,
+        INVALID = 3
+    }
+    const enum Button {
+        MINUS = 0x00000004,
+        SELECT = MINUS,
+        PLUS = 0x00000008,
+        START = PLUS,
+        R = 0x00000010,
+        L = 0x00000020,
+        ZR = 0x00000040,
+        ZL = 0x00000080,
+        DOWN = 0x00000100,
+        UP = 0x00000200,
+        RIGHT = 0x00000400,
+        LEFT = 0x00000800,
+        Y = 0x00001000,
+        X = 0x00002000,
+        B = 0x00004000,
+        A = 0x00008000,
+        R_STICK = 0x00020000,
+        L_STICK = 0x00040000,
+        R_STICK_DOWN = 0x00800000,
+        R_STICK_UP = 0x01000000,
+        R_STICK_RIGHT = 0x02000000,
+        R_STICK_LEFT = 0x04000000,
+        L_STICK_DOWN = 0x08000000,
+        L_STICK_UP = 0x10000000,
+        L_STICK_RIGHT = 0x20000000,
+        L_STICK_LEFT = 0x40000000
+    }
+
+    interface WiiuGamePad {
+        isEnabled: boolean;
+        isDataValid: boolean;
+        tpTouch: boolean;
+        tpValidity: number;
+        contentX: number;
+        contentY: number;
+        lStickX: number;
+        lStickY: number;
+        rStickX: number;
+        rStickY: number;
+        hold: number;
+        accX: number;
+        accY: number;
+        accZ: number;
+        gyroX: number;
+        gyroY: number;
+        gyroZ: number;
+        angleX: number;
+        angleY: number;
+        angleZ: number;
+        dirXx: number;
+        dirXy: number;
+        dirYx: number;
+        dirXz: number;
+        dirYy: number;
+        dirYz: number;
+        dirZx: number;
+        dirZz: number;
+        dirZy: number;
+
+        update(): WiiuGamePad;
+    }
+
+    interface VideoPlayer {
+        viewMode: number;
+
+        end(): boolean;
+    }
+
+    const enum ImageViewErrorCode {
+        UNSUPPORTED_FORMAT = 202,
+        DIMENSIONS_TOO_LARGE = 203,
+        FILE_SIZE_TOO_LARGE = 204,
+        TOO_MANY_PIXELS_PROGRESSIVE_JPEG = 205
+    }
+
+    interface ImageView {
+        viewMode: number;
+
+        end(): boolean;
+        getErrorCode(): number;
+    }
+
+    var gamepad: WiiuGamePad;
+    var videoplayer: VideoPlayer;
+    var imageview: ImageView;
+}
+
+interface HTMLElement {
+    addEventListener(type: "wiiu_videoplayer_end", listener: (ev: CustomEvent) => any, useCapture?: boolean): void;
+}
+
+interface Window {
+    wiiu: typeof wiiu;
+    addEventListener(type: "wiiu_imageview_start", listener: (ev: CustomEvent) => any, useCapture?: boolean): void;
+    addEventListener(type: "wiiu_imageview_end", listener: (ev: CustomEvent) => any, useCapture?: boolean): void;
+    addEventListener(type: "wiiu_imageview_change_viewmode", listener: (ev: CustomEvent) => any, useCapture?: boolean): void;
+    addEventListener(type: "wiiu_imageview_change_content", listener: (ev: CustomEvent) => any, useCapture?: boolean): void;
+    addEventListener(type: "wiiu_imageview_error", listener: (ev: CustomEvent) => any, useCapture?: boolean): void;
+}