diff --git a/interface/resources/avatar/animations/jump_land.fbx b/interface/resources/avatar/animations/jump_land.fbx
index 03b1d2c5f6..c0034bd091 100644
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diff --git a/interface/resources/avatar/animations/jump_takeoff.fbx b/interface/resources/avatar/animations/jump_takeoff.fbx
index 2d72a1371f..4119b2417f 100644
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diff --git a/interface/resources/avatar/animations/walk_fwd.fbx b/interface/resources/avatar/animations/walk_fwd.fbx
index cb4b00dcd2..7d8ab94494 100644
Binary files a/interface/resources/avatar/animations/walk_fwd.fbx and b/interface/resources/avatar/animations/walk_fwd.fbx differ
diff --git a/interface/resources/avatar/animations/walk_fwd_fast.fbx b/interface/resources/avatar/animations/walk_fwd_fast.fbx
index 4f1d0e60aa..1ba94a798f 100644
Binary files a/interface/resources/avatar/animations/walk_fwd_fast.fbx and b/interface/resources/avatar/animations/walk_fwd_fast.fbx differ
diff --git a/scripts/developer/spin2App.js b/scripts/developer/spin2App.js
new file mode 100644
index 0000000000..b4f63356de
--- /dev/null
+++ b/scripts/developer/spin2App.js
@@ -0,0 +1,175 @@
+/* global Script, Vec3, MyAvatar, Tablet, Messages, Quat, 
+DebugDraw, Mat4, Entities, Xform, Controller, Camera, console, document*/
+
+Script.registerValue("ROTATEAPP", true);
+
+var TABLET_BUTTON_NAME = "ROTATE";
+var CHANGE_OF_BASIS_ROTATION = { x: 0, y: 1, z: 0, w: 0 };
+var HEAD_TURN_THRESHOLD = 25.0;
+var LOADING_DELAY = 500;
+var AVERAGING_RATE = 0.03;
+var headPoseAverageOrientation = { x: 0, y: 0, z: 0, w: 1 };
+
+// define state readings constructor
+function StateReading(headPose, rhandPose, lhandPose, diffFromAverageEulers) {
+    this.headPose = headPose;
+    this.rhandPose = rhandPose;
+    this.lhandPose = lhandPose;
+    this.diffFromAverageEulers = diffFromAverageEulers;
+}
+
+//define current state readings object for holding tracker readings and current differences from averages
+var currentStateReadings = new StateReading(Controller.getPoseValue(Controller.Standard.Head),
+    Controller.getPoseValue(Controller.Standard.RightHand), Controller.getPoseValue(Controller.Standard.LeftHand),
+    { x: 0, y: 0, z: 0 });
+	
+//declare the checkbox constructor
+function AppCheckbox(type,id,eventType,isChecked) {
+    this.type = type;
+    this.id = id;
+    this.eventType = eventType;
+    this.data = {value: isChecked};
+}
+
+// declare the html slider constructor
+function AppProperty(name, type, eventType, signalType, setFunction, initValue, convertToThreshold, convertToSlider, signalOn) {
+    this.name = name;
+    this.type = type;
+    this.eventType = eventType;
+    this.signalType = signalType;
+    this.setValue = setFunction;
+    this.value = initValue;
+    this.get = function () {
+        return this.value;
+    };
+    this.convertToThreshold = convertToThreshold;
+    this.convertToSlider = convertToSlider;
+}
+
+var HTML_URL = Script.resolvePath("file:///c:/dev/high fidelity/hifi/scripts/developer/stepAppExtra.html");
+var tablet = Tablet.getTablet("com.highfidelity.interface.tablet.system");
+
+function manageClick() {
+    if (activated) {
+        tablet.gotoHomeScreen();
+    } else {
+        tablet.gotoWebScreen(HTML_URL);
+    }
+}
+
+var tabletButton = tablet.addButton({
+    text: TABLET_BUTTON_NAME,
+    icon: Script.resolvePath("http://hifi-content.s3.amazonaws.com/angus/stepApp/foot.svg"),
+    activeIcon: Script.resolvePath("http://hifi-content.s3.amazonaws.com/angus/stepApp/foot.svg")
+});
+
+function onKeyPress(event) {
+    if (event.text === "'") {
+        // when the sensors are reset, then reset the mode.
+        RESET_MODE = false;
+    }
+}
+
+function onWebEventReceived(msg) {
+    var message = JSON.parse(msg);
+    print(" we have a message from html dialog " + message.type);
+    propArray.forEach(function (prop) {
+        if (prop.eventType === message.type) {
+            prop.setValue(prop.convertToThreshold(message.data.value));
+            print("message from " + prop.name);
+            // break;
+        }
+    });
+    checkBoxArray.forEach(function(cbox) {
+        if (cbox.eventType === message.type) {
+            cbox.data.value = message.data.value;
+            // break;
+        }
+    });
+}
+
+function initAppForm() {
+    print("step app is loaded: " + documentLoaded);
+    propArray.forEach(function (prop) {
+        print(prop.name);
+        tablet.emitScriptEvent(JSON.stringify({
+            "type": "trigger",
+            "id": prop.signalType,
+            "data": { "value": "green" }
+        }));
+        tablet.emitScriptEvent(JSON.stringify({
+            "type": "slider",
+            "id": prop.name,
+            "data": { "value": prop.convertToSlider(prop.value) }
+        }));
+    });
+    checkBoxArray.forEach(function(cbox) {
+        tablet.emitScriptEvent(JSON.stringify({
+            "type": "checkboxtick",
+            "id": cbox.id,
+            "data": { value: cbox.data.value }
+        }));
+    });
+ 
+}
+
+function onScreenChanged(type, url) {     
+    print("Screen changed");
+    if (type === "Web" && url === HTML_URL) {
+        if (!activated) {
+            // hook up to event bridge
+            tablet.webEventReceived.connect(onWebEventReceived);
+            print("after connect web event");
+            MyAvatar.hmdLeanRecenterEnabled = false;
+            Script.setTimeout(initAppForm, LOADING_DELAY);
+        }
+        activated = true;
+    } else {
+        if (activated) {
+            // disconnect from event bridge
+            tablet.webEventReceived.disconnect(onWebEventReceived);
+        }
+        activated = false;
+    }
+}
+
+function update(dt) {
+	
+	//  Update head information
+    currentStateReadings.headPose = Controller.getPoseValue(Controller.Standard.Head);
+    currentStateReadings.rhandPose = Controller.getPoseValue(Controller.Standard.RightHand);
+    currentStateReadings.lhandPose = Controller.getPoseValue(Controller.Standard.LeftHand);
+	
+	var headPoseRigSpace = Quat.multiply(CHANGE_OF_BASIS_ROTATION, currentStateReadings.headPose.rotation);
+	headPoseAverageOrientation = Quat.slerp(headPoseAverageOrientation, headPoseRigSpace, AVERAGING_RATE);
+    var headPoseAverageEulers = Quat.safeEulerAngles(headPoseAverageOrientation);
+	
+	if (Math.abs(headPoseAverageEulers.y) > HEAD_TURN_THRESHOLD) {
+        //  Turn feet
+        MyAvatar.triggerRotationRecenter();
+        headPoseAverageOrientation = { x: 0, y: 0, z: 0, w: 1 };
+    }
+	
+}
+
+function shutdownTabletApp() {
+    tablet.removeButton(tabletButton);
+    if (activated) {
+        tablet.webEventReceived.disconnect(onWebEventReceived);
+        tablet.gotoHomeScreen();
+    }
+    tablet.screenChanged.disconnect(onScreenChanged);
+}
+
+tabletButton.clicked.connect(manageClick);
+tablet.screenChanged.connect(onScreenChanged);
+
+Script.update.connect(update);
+
+Controller.keyPressEvent.connect(onKeyPress);
+
+Script.scriptEnding.connect(function () {
+    MyAvatar.hmdLeanRecenterEnabled = true;
+    Script.update.disconnect(update);
+    shutdownTabletApp();
+});
\ No newline at end of file