diff --git a/core/res/res/anim/activity_close_enter.xml b/core/res/res/anim/activity_close_enter.xml
index 84e4a19a23c7a..a67b0ca385194 100644
--- a/core/res/res/anim/activity_close_enter.xml
+++ b/core/res/res/anim/activity_close_enter.xml
@@ -18,7 +18,8 @@
 -->
 
 <set xmlns:android="http://schemas.android.com/apk/res/android" android:zAdjustment="normal">
-    <alpha android:fromAlpha="1.0" android:toAlpha="1.0"
+    <alpha android:fromAlpha="0.7" android:toAlpha="1.0"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:duration="300"/>
+            android:interpolator="@interpolator/linear_out_slow_in"
+            android:duration="250"/>
 </set>
\ No newline at end of file
diff --git a/core/res/res/anim/activity_close_exit.xml b/core/res/res/anim/activity_close_exit.xml
index 32f6d3845edf3..52c3adf10b4e3 100644
--- a/core/res/res/anim/activity_close_exit.xml
+++ b/core/res/res/anim/activity_close_exit.xml
@@ -20,13 +20,13 @@
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:shareInterpolator="false" android:zAdjustment="top">
     <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
-            android:interpolator="@interpolator/decelerate_cubic"
+            android:interpolator="@interpolator/accelerate_quart"
+            android:fillEnabled="true"
+            android:fillBefore="false" android:fillAfter="true"
+            android:startOffset="100"
+            android:duration="150"/>
+    <translate android:fromYDelta="0%" android:toYDelta="5%"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:duration="300"/>
-    <scale android:fromXScale="1.0" android:toXScale=".8"
-            android:fromYScale="1.0" android:toYScale=".8"
-            android:pivotX="50%p" android:pivotY="50%p"
-            android:interpolator="@interpolator/decelerate_cubic"
-            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:duration="300"/>
+            android:interpolator="@interpolator/accelerate_quint"
+            android:duration="250"/>
 </set>
\ No newline at end of file
diff --git a/core/res/res/anim/activity_open_enter.xml b/core/res/res/anim/activity_open_enter.xml
index d553bdfc98ef6..1d949d2f74465 100644
--- a/core/res/res/anim/activity_open_enter.xml
+++ b/core/res/res/anim/activity_open_enter.xml
@@ -21,15 +21,12 @@
         android:shareInterpolator="false"
         android:zAdjustment="top">
     <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
-            android:interpolator="@interpolator/decelerate_cubic"
+            android:interpolator="@interpolator/decelerate_quart"
             android:fillEnabled="true"
             android:fillBefore="false" android:fillAfter="true"
-            android:duration="300"/>
-    <scale android:fromXScale=".8" android:toXScale="1.0"
-            android:fromYScale=".8" android:toYScale="1.0"
-            android:pivotX="50%p" android:pivotY="50%p"
-            android:interpolator="@interpolator/decelerate_cubic"
-            android:fillEnabled="true"
-            android:fillBefore="false" android:fillAfter="true"
-            android:duration="300"/>
+            android:duration="200"/>
+    <translate android:fromYDelta="8%" android:toYDelta="0"
+            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
+            android:interpolator="@interpolator/decelerate_quint"
+            android:duration="350"/>
 </set>
\ No newline at end of file
diff --git a/core/res/res/anim/activity_open_exit.xml b/core/res/res/anim/activity_open_exit.xml
index 2d105d185baa1..3a84197f8f63d 100644
--- a/core/res/res/anim/activity_open_exit.xml
+++ b/core/res/res/anim/activity_open_exit.xml
@@ -19,8 +19,8 @@
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:background="#ff000000" android:zAdjustment="normal">
-    <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
+    <alpha android:fromAlpha="1.0" android:toAlpha="0.7"
             android:fillEnabled="true" android:fillBefore="false" android:fillAfter="true"
-            android:interpolator="@interpolator/decelerate_quint"
-            android:duration="300"/>
+            android:interpolator="@interpolator/fast_out_slow_in"
+            android:duration="217"/>
 </set>
\ No newline at end of file
diff --git a/core/res/res/anim/task_close_enter.xml b/core/res/res/anim/task_close_enter.xml
index 9a747a122dd23..b07f470dd5f5e 100644
--- a/core/res/res/anim/task_close_enter.xml
+++ b/core/res/res/anim/task_close_enter.xml
@@ -18,25 +18,25 @@
 -->
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:background="#ff000000" android:shareInterpolator="false" android:zAdjustment="top">
+        android:background="#ff000000" android:shareInterpolator="false" android:zAdjustment="normal">
 
-    <alpha android:fromAlpha="0" android:toAlpha="1.0"
+    <alpha android:fromAlpha="0.6" android:toAlpha="1.0"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:interpolator="@interpolator/decelerate_quad"
-            android:startOffset="300"
-            android:duration="400"/>
+            android:interpolator="@interpolator/decelerate_cubic"
+            android:startOffset="600"
+            android:duration="133"/>
 
-    <translate android:fromYDelta="-120%" android:toYDelta="0"
+    <translate android:fromYDelta="10%" android:toYDelta="0"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:interpolator="@interpolator/decelerate_quint"
+            android:interpolator="@interpolator/decelerate_cubic"
             android:startOffset="300"
-            android:duration="400" />
+            android:duration="433" />
 
-    <scale android:fromXScale=".5" android:toXScale="1.0"
-            android:fromYScale=".5" android:toYScale="1.0"
+    <scale android:fromXScale=".9" android:toXScale="1.0"
+            android:fromYScale=".9" android:toYScale="1.0"
             android:pivotX="50%p" android:pivotY="0%p"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:interpolator="@interpolator/decelerate_quad"
+            android:interpolator="@interpolator/fast_out_slow_in"
             android:startOffset="300"
-            android:duration="400" />
+            android:duration="433" />
 </set>
\ No newline at end of file
diff --git a/core/res/res/anim/task_close_exit.xml b/core/res/res/anim/task_close_exit.xml
index 35b1aa37838cd..d23c74ffc1608 100644
--- a/core/res/res/anim/task_close_exit.xml
+++ b/core/res/res/anim/task_close_exit.xml
@@ -18,24 +18,18 @@
 -->
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:background="#ff000000" android:shareInterpolator="false" android:zAdjustment="normal">
+        android:background="#ff000000" android:shareInterpolator="false" android:zAdjustment="top">
 
     <alpha android:fromAlpha="1.0" android:toAlpha="0"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
             android:interpolator="@interpolator/accelerate_quad"
-            android:duration="300"/>
+            android:startOffset="250"
+            android:duration="167"/>
 
-    <translate android:fromYDelta="0" android:toYDelta="120%"
+    <translate android:fromYDelta="0" android:toYDelta="110%"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:interpolator="@interpolator/accelerate_cubic"
-            android:duration="300"/>
-
-    <scale android:fromXScale="1.0" android:toXScale="0.5"
-            android:fromYScale="1.0" android:toYScale="0.5"
-            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:pivotX="50%p" android:pivotY="100%p"
-            android:interpolator="@interpolator/accelerate_quad"
-            android:duration="300" />
+            android:interpolator="@interpolator/accelerate_quint"
+            android:duration="417"/>
 
     <!-- This is needed to keep the animation running while task_open_enter completes -->
     <alpha android:fromAlpha="1.0" android:toAlpha="1.0"
diff --git a/core/res/res/anim/task_open_enter.xml b/core/res/res/anim/task_open_enter.xml
index 5e4ae1874ec6a..8321ea4ad8d50 100644
--- a/core/res/res/anim/task_open_enter.xml
+++ b/core/res/res/anim/task_open_enter.xml
@@ -22,21 +22,13 @@
 
     <alpha android:fromAlpha="0" android:toAlpha="1.0"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:interpolator="@interpolator/decelerate_quad"
+            android:interpolator="@interpolator/decelerate_quart"
             android:startOffset="300"
-            android:duration="400"/>
+            android:duration="167"/>
 
-    <translate android:fromYDelta="120%" android:toYDelta="0"
+    <translate android:fromYDelta="110%" android:toYDelta="0"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
             android:interpolator="@interpolator/decelerate_quint"
             android:startOffset="300"
-            android:duration="400" />
-
-    <scale android:fromXScale=".5" android:toXScale="1.0"
-            android:fromYScale=".5" android:toYScale="1.0"
-            android:pivotX="50%p" android:pivotY="100%p"
-            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:interpolator="@interpolator/decelerate_quad"
-            android:startOffset="300"
-            android:duration="400" />
+            android:duration="417" />
 </set>
\ No newline at end of file
diff --git a/core/res/res/anim/task_open_exit.xml b/core/res/res/anim/task_open_exit.xml
index 0ba35d72f7669..78d0fb015ce3c 100644
--- a/core/res/res/anim/task_open_exit.xml
+++ b/core/res/res/anim/task_open_exit.xml
@@ -20,22 +20,22 @@
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:background="#ff000000" android:shareInterpolator="false" android:zAdjustment="normal">
 
-    <alpha android:fromAlpha="1.0" android:toAlpha="0"
-            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:interpolator="@interpolator/accelerate_quad"
-            android:duration="300"/>
-
-    <translate android:fromYDelta="0" android:toYDelta="-120%"
+    <alpha android:fromAlpha="1.0" android:toAlpha="0.6"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
             android:interpolator="@interpolator/accelerate_cubic"
-            android:duration="300"/>
+            android:duration="133"/>
 
-    <scale android:fromXScale="1.0" android:toXScale="0.5"
-            android:fromYScale="1.0" android:toYScale="0.5"
+    <translate android:fromYDelta="0" android:toYDelta="10%"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:pivotX="50%p" android:pivotY="0%p"
-            android:interpolator="@interpolator/accelerate_quad"
-            android:duration="300" />
+            android:interpolator="@interpolator/accelerate_cubic"
+            android:duration="433"/>
+
+    <scale android:fromXScale="1.0" android:toXScale="0.9"
+            android:fromYScale="1.0" android:toYScale="0.9"
+            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
+            android:pivotX="50%p" android:pivotY="50%p"
+            android:interpolator="@interpolator/fast_out_slow_in"
+            android:duration="433" />
 
     <!-- This is needed to keep the animation running while task_open_enter completes -->
     <alpha android:fromAlpha="1.0" android:toAlpha="1.0"
diff --git a/core/res/res/anim/wallpaper_open_enter.xml b/core/res/res/anim/wallpaper_open_enter.xml
index 12a1bdfc202fe..e70f0e7d54b5f 100644
--- a/core/res/res/anim/wallpaper_open_enter.xml
+++ b/core/res/res/anim/wallpaper_open_enter.xml
@@ -21,5 +21,5 @@
         android:detachWallpaper="true" android:shareInterpolator="false" android:zAdjustment="normal">
     <alpha android:fromAlpha="1.0" android:toAlpha="1.0"
             android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-            android:duration="375"/>
+            android:duration="225"/>
 </set>
\ No newline at end of file
diff --git a/core/res/res/anim/wallpaper_open_exit.xml b/core/res/res/anim/wallpaper_open_exit.xml
index b0f97d166c8a6..696912b257ac5 100644
--- a/core/res/res/anim/wallpaper_open_exit.xml
+++ b/core/res/res/anim/wallpaper_open_exit.xml
@@ -19,14 +19,22 @@
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:shareInterpolator="false" android:zAdjustment="top">
-        <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
-                android:interpolator="@interpolator/accelerate_decelerate"
-                android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-                android:duration="200" />
-        <scale android:fromXScale="1.0" android:toXScale="0.5"
-                android:fromYScale="1.0" android:toYScale="0.5"
-                android:pivotX="50%p" android:pivotY="50%p"
-                android:interpolator="@interpolator/decelerate_quad"
-                android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
-                android:duration="375" />
+
+    <alpha android:fromAlpha="1.0" android:toAlpha="0"
+            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
+            android:interpolator="@interpolator/accelerate_quad"
+            android:startOffset="250"
+            android:duration="167"/>
+
+    <translate android:fromYDelta="0" android:toYDelta="110%"
+            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
+            android:interpolator="@interpolator/fast_out_linear_in"
+            android:duration="225"/>
+
+    <scale android:fromXScale="1.0" android:toXScale="1.0"
+            android:fromYScale="1.0" android:toYScale="1.0"
+            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
+            android:pivotX="50%p" android:pivotY="50%p"
+            android:interpolator="@interpolator/fast_out_slow_in"
+            android:duration="225" />
 </set>
\ No newline at end of file
diff --git a/core/res/res/animator/fragment_open_enter.xml b/core/res/res/animator/fragment_open_enter.xml
index 8cd0e4e7e6689..4ae24b9e07dd6 100644
--- a/core/res/res/animator/fragment_open_enter.xml
+++ b/core/res/res/animator/fragment_open_enter.xml
@@ -19,13 +19,13 @@
 <set xmlns:android="http://schemas.android.com/apk/res/android">
     <objectAnimator 
         android:interpolator="@interpolator/decelerate_cubic"
-        android:valueFrom="0.8" android:valueTo="1.0"
+        android:valueFrom="0.95" android:valueTo="1.0"
         android:valueType="floatType"
         android:propertyName="scaleY"
         android:duration="300"/>
     <objectAnimator
         android:interpolator="@interpolator/decelerate_cubic"
-        android:valueFrom="0.8" android:valueTo="1.0"
+        android:valueFrom="0.95" android:valueTo="1.0"
         android:valueType="floatType"
         android:propertyName="scaleX"
         android:duration="300"/>
diff --git a/core/res/res/interpolator/accelerate_quart.xml b/core/res/res/interpolator/accelerate_quart.xml
new file mode 100644
index 0000000000000..64efec6fd19a0
--- /dev/null
+++ b/core/res/res/interpolator/accelerate_quart.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2014, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+-->
+
+<accelerateInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+        android:factor="2.0" />
diff --git a/core/res/res/interpolator/decelerate_quart.xml b/core/res/res/interpolator/decelerate_quart.xml
new file mode 100644
index 0000000000000..9f6a51fd9da8b
--- /dev/null
+++ b/core/res/res/interpolator/decelerate_quart.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2014, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+-->
+
+<decelerateInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+        android:factor="2.0" />