diff --git a/quickstep/src/com/android/launcher3/taskbar/VoiceInteractionWindowController.kt b/quickstep/src/com/android/launcher3/taskbar/VoiceInteractionWindowController.kt
index 81acda3..076900c 100644
--- a/quickstep/src/com/android/launcher3/taskbar/VoiceInteractionWindowController.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/VoiceInteractionWindowController.kt
@@ -77,7 +77,7 @@
             fadeStashedHandle.end()
         }
 
-        moveTaskbarBackgroundToAppropriateLayer()
+        moveTaskbarBackgroundToAppropriateLayer(skipAnim)
     }
 
     /**
@@ -86,24 +86,28 @@
      * OR
      * Removes the temporary window and show the TaskbarDragLayer background again.
      */
-    private fun moveTaskbarBackgroundToAppropriateLayer() {
+    private fun moveTaskbarBackgroundToAppropriateLayer(skipAnim: Boolean) {
         val taskbarBackgroundOverride = controllers.taskbarDragLayerController
             .overrideBackgroundAlpha
         val moveToLowerLayer = isVoiceInteractionWindowVisible
-        if (moveToLowerLayer) {
+        val onWindowsSynchronized = if (moveToLowerLayer) {
             // First add the temporary window, then hide the overlapping taskbar background.
-            context.addWindowView(separateWindowForTaskbarBackground, separateWindowLayoutParams)
-            ViewRootSync.synchronizeNextDraw(separateWindowForTaskbarBackground, context.dragLayer
-            ) {
-                taskbarBackgroundOverride.updateValue(0f)
-            }
+            context.addWindowView(separateWindowForTaskbarBackground, separateWindowLayoutParams);
+            { taskbarBackgroundOverride.updateValue(0f) }
         } else {
             // First reapply the original taskbar background, then remove the temporary window.
-            taskbarBackgroundOverride.updateValue(1f)
-            ViewRootSync.synchronizeNextDraw(separateWindowForTaskbarBackground, context.dragLayer
-            ) {
-                context.removeWindowView(separateWindowForTaskbarBackground)
-            }
+            taskbarBackgroundOverride.updateValue(1f);
+            { context.removeWindowView(separateWindowForTaskbarBackground) }
+        }
+
+        if (skipAnim) {
+            onWindowsSynchronized()
+        } else {
+            ViewRootSync.synchronizeNextDraw(
+                separateWindowForTaskbarBackground,
+                context.dragLayer,
+                onWindowsSynchronized
+            )
         }
     }
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
index 0723f8a..910b99b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
@@ -42,6 +42,8 @@
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.util.MultiValueAlpha;
+import com.android.quickstep.util.AnimUtils;
+import com.android.quickstep.util.SplitAnimationTimings;
 import com.android.quickstep.views.ClearAllButton;
 import com.android.quickstep.views.LauncherRecentsView;
 import com.android.quickstep.views.RecentsView;
@@ -123,12 +125,19 @@
                         TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
                         mLauncher.getDeviceProfile());
 
+        SplitAnimationTimings timings =
+                AnimUtils.getDeviceOverviewToSplitTimings(mLauncher.getDeviceProfile().isTablet);
+
         mRecentsView.createSplitSelectInitAnimation(builder,
                 toState.getTransitionDuration(mLauncher, true /* isToState */));
-        // Add properties to shift remaining taskViews to get out of placeholder view
+        // Shift tasks vertically downward to get out of placeholder view
         builder.setFloat(mRecentsView, taskViewsFloat.first,
-                toState.getSplitSelectTranslation(mLauncher), LINEAR);
-        builder.setFloat(mRecentsView, taskViewsFloat.second, 0, LINEAR);
+                toState.getSplitSelectTranslation(mLauncher),
+                timings.getGridSlidePrimaryInterpolator());
+        // Zero out horizontal translation
+        builder.setFloat(mRecentsView, taskViewsFloat.second,
+                0,
+                timings.getGridSlideSecondaryInterpolator());
 
         if (!animate) {
             AnimatorSet as = builder.buildAnim();
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
index f75a404..bcd722f 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
@@ -191,12 +191,15 @@
         } else if (fromState == NORMAL && toState == ALL_APPS) {
             AllAppsSwipeController.applyNormalToAllAppsAnimConfig(mActivity, config);
         } else if (fromState == OVERVIEW && toState == OVERVIEW_SPLIT_SELECT) {
-            SplitAnimationTimings timings = SplitAnimationTimings.OVERVIEW_TO_SPLIT;
+            SplitAnimationTimings timings = mActivity.getDeviceProfile().isTablet
+                    ? SplitAnimationTimings.TABLET_OVERVIEW_TO_SPLIT
+                    : SplitAnimationTimings.PHONE_OVERVIEW_TO_SPLIT;
             config.setInterpolator(ANIM_OVERVIEW_ACTIONS_FADE, clampToProgress(LINEAR,
                     timings.getActionsFadeStartOffset(),
                     timings.getActionsFadeEndOffset()));
         } else if (fromState == NORMAL && toState == OVERVIEW_SPLIT_SELECT) {
-            SplitAnimationTimings timings = SplitAnimationTimings.NORMAL_TO_SPLIT;
+            // Splitting from Home is currently only available on tablets
+            SplitAnimationTimings timings = SplitAnimationTimings.TABLET_HOME_TO_SPLIT;
             config.setInterpolator(ANIM_SCRIM_FADE, clampToProgress(LINEAR,
                     timings.getScrimFadeInStartOffset(),
                     timings.getScrimFadeInEndOffset()));
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java b/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
index 430053d..8babd34 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
@@ -44,8 +44,13 @@
 
     @Override
     public int getTransitionDuration(Context context, boolean isToState) {
-        return isToState
-                ? SplitAnimationTimings.ENTER_DURATION
-                : SplitAnimationTimings.ABORT_DURATION;
+        boolean isTablet = ((Launcher) context).getDeviceProfile().isTablet;
+        if (isToState && isTablet) {
+            return SplitAnimationTimings.TABLET_ENTER_DURATION;
+        } else if (isToState && !isTablet) {
+            return SplitAnimationTimings.PHONE_ENTER_DURATION;
+        } else {
+            return SplitAnimationTimings.ABORT_DURATION;
+        }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/util/AnimUtils.java b/quickstep/src/com/android/quickstep/util/AnimUtils.java
new file mode 100644
index 0000000..b7b7825
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/AnimUtils.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+package com.android.quickstep.util;
+
+/**
+ * Utility class containing methods to help manage animations, interpolators, and timings.
+ */
+public class AnimUtils {
+    /**
+     * Fetches device-specific timings for the Overview > Split animation
+     * (splitscreen initiated from Overview).
+     */
+    public static SplitAnimationTimings getDeviceOverviewToSplitTimings(boolean isTablet) {
+        return isTablet
+                ? SplitAnimationTimings.TABLET_OVERVIEW_TO_SPLIT
+                : SplitAnimationTimings.PHONE_OVERVIEW_TO_SPLIT;
+    }
+
+    /**
+     * Fetches device-specific timings for the Split > Confirm animation
+     * (splitscreen confirmed by selecting a second app).
+     */
+    public static SplitAnimationTimings getDeviceSplitToConfirmTimings(boolean isTablet) {
+        return isTablet
+                ? SplitAnimationTimings.TABLET_SPLIT_TO_CONFIRM
+                : SplitAnimationTimings.PHONE_SPLIT_TO_CONFIRM;
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/OverviewToSplitTimings.java b/quickstep/src/com/android/quickstep/util/OverviewToSplitTimings.java
index f44796b..e189a66 100644
--- a/quickstep/src/com/android/quickstep/util/OverviewToSplitTimings.java
+++ b/quickstep/src/com/android/quickstep/util/OverviewToSplitTimings.java
@@ -16,39 +16,45 @@
 
 package com.android.quickstep.util;
 
-import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
+import static com.android.launcher3.anim.Interpolators.EMPHASIZED;
+import static com.android.launcher3.anim.Interpolators.INSTANT;
 
 import android.view.animation.Interpolator;
 
 /**
  * Timings for the Overview > OverviewSplitSelect animation.
  */
-public class OverviewToSplitTimings implements SplitAnimationTimings {
-    public int getPlaceholderFadeInStart() { return 0; }
-    public int getPlaceholderFadeInEnd() { return 133; }
-    public int getPlaceholderIconFadeInStart() { return 167; }
-    public int getPlaceholderIconFadeInEnd() { return 250; }
-    public int getStagedRectSlideStart() { return 0; }
-    public int getStagedRectSlideEnd() { return 417; }
-    public int getGridSlideStart() { return 67; }
-    public int getGridSlideStagger() { return 16; }
-    public int getGridSlideDuration() { return 500; }
-    public int getActionsFadeStart() { return 0; }
-    public int getActionsFadeEnd() { return 83; }
+abstract class OverviewToSplitTimings implements SplitAnimationTimings {
+    // Overwritten by device-specific timings
+    abstract public int getPlaceholderFadeInStart();
+    abstract public int getPlaceholderFadeInEnd();
+    abstract public int getPlaceholderIconFadeInStart();
+    abstract public int getPlaceholderIconFadeInEnd();
+    abstract public int getStagedRectSlideStart();
+    abstract public int getStagedRectSlideEnd();
+    abstract public int getGridSlideStart();
+    abstract public int getGridSlideStagger();
+    abstract public int getGridSlideDuration();
+
+    // Common timings
     public int getIconFadeStart() { return 0; }
     public int getIconFadeEnd() { return 83; }
+    public int getActionsFadeStart() { return 0; }
+    public int getActionsFadeEnd() { return 83; }
     public int getInstructionsContainerFadeInStart() { return 167; }
     public int getInstructionsContainerFadeInEnd() { return 250; }
     public int getInstructionsTextFadeInStart() { return 217; }
     public int getInstructionsTextFadeInEnd() { return 300; }
     public int getInstructionsUnfoldStart() { return 167; }
     public int getInstructionsUnfoldEnd() { return 500; }
+    public Interpolator getGridSlidePrimaryInterpolator() { return EMPHASIZED; }
+    public Interpolator getGridSlideSecondaryInterpolator() { return INSTANT; }
 
-    public int getDuration() { return ENTER_DURATION; }
-    public Interpolator getStagedRectXInterpolator() { return DEACCEL_2; }
-    public Interpolator getStagedRectYInterpolator() { return DEACCEL_2; }
-    public Interpolator getStagedRectScaleXInterpolator() { return DEACCEL_2; }
-    public Interpolator getStagedRectScaleYInterpolator() { return DEACCEL_2; }
+    abstract public int getDuration();
+    abstract public Interpolator getStagedRectXInterpolator();
+    abstract public Interpolator getStagedRectYInterpolator();
+    abstract public Interpolator getStagedRectScaleXInterpolator();
+    abstract public Interpolator getStagedRectScaleYInterpolator();
 
     public float getGridSlideStartOffset() {
         return (float) getGridSlideStart() / getDuration();
diff --git a/quickstep/src/com/android/quickstep/util/PhoneOverviewToSplitTimings.java b/quickstep/src/com/android/quickstep/util/PhoneOverviewToSplitTimings.java
new file mode 100644
index 0000000..f1dde53
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/PhoneOverviewToSplitTimings.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+package com.android.quickstep.util;
+
+import static com.android.launcher3.anim.Interpolators.EMPHASIZED;
+
+import android.view.animation.Interpolator;
+
+/**
+ * Timings for the Overview > OverviewSplitSelect animation on phones.
+ */
+public class PhoneOverviewToSplitTimings
+        extends OverviewToSplitTimings implements SplitAnimationTimings {
+    public int getPlaceholderFadeInStart() { return 0; }
+    public int getPlaceholderFadeInEnd() { return 133; }
+    public int getPlaceholderIconFadeInStart() { return 83; }
+    public int getPlaceholderIconFadeInEnd() { return 167; }
+    public int getStagedRectSlideStart() { return 0; }
+    public int getStagedRectSlideEnd() { return 333; }
+    public int getGridSlideStart() { return 100; }
+    public int getGridSlideStagger() { return 0; }
+    public int getGridSlideDuration() { return 417; }
+
+    public int getDuration() { return PHONE_ENTER_DURATION; }
+    public Interpolator getStagedRectXInterpolator() { return EMPHASIZED; }
+    public Interpolator getStagedRectYInterpolator() { return EMPHASIZED; }
+    public Interpolator getStagedRectScaleXInterpolator() { return EMPHASIZED; }
+    public Interpolator getStagedRectScaleYInterpolator() { return EMPHASIZED; }
+}
diff --git a/quickstep/src/com/android/quickstep/util/PhoneSplitToConfirmTimings.java b/quickstep/src/com/android/quickstep/util/PhoneSplitToConfirmTimings.java
new file mode 100644
index 0000000..9e7351a
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/PhoneSplitToConfirmTimings.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+package com.android.quickstep.util;
+
+import static com.android.launcher3.anim.Interpolators.EMPHASIZED;
+
+import android.view.animation.Interpolator;
+
+/**
+ * Timings for the OverviewSplitSelect > confirmed animation on phones.
+ */
+public class PhoneSplitToConfirmTimings
+        extends SplitToConfirmTimings implements SplitAnimationTimings {
+    public int getPlaceholderFadeInStart() { return 0; }
+    public int getPlaceholderFadeInEnd() { return 133; }
+    public int getPlaceholderIconFadeInStart() { return 50; }
+    public int getPlaceholderIconFadeInEnd() { return 133; }
+    public int getStagedRectSlideStart() { return 0; }
+    public int getStagedRectSlideEnd() { return 333; }
+
+    public int getDuration() { return PHONE_CONFIRM_DURATION; }
+    public Interpolator getStagedRectXInterpolator() { return EMPHASIZED; }
+    public Interpolator getStagedRectYInterpolator() { return EMPHASIZED; }
+    public Interpolator getStagedRectScaleXInterpolator() { return EMPHASIZED; }
+    public Interpolator getStagedRectScaleYInterpolator() { return EMPHASIZED; }
+}
diff --git a/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java b/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java
index 133be03..2966fbb 100644
--- a/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java
+++ b/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java
@@ -16,19 +16,28 @@
 
 package com.android.quickstep.util;
 
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+
 import android.view.animation.Interpolator;
 
 /**
  * An interface that supports the centralization of timing information for splitscreen animations.
  */
 public interface SplitAnimationTimings {
-    int ENTER_DURATION = 866;
-    int ABORT_DURATION = 500;
-    int CONFIRM_DURATION = 383;
+    int TABLET_ENTER_DURATION = 866;
+    int TABLET_CONFIRM_DURATION = 383;
 
-    SplitAnimationTimings OVERVIEW_TO_SPLIT = new OverviewToSplitTimings();
-    SplitAnimationTimings NORMAL_TO_SPLIT = new NormalToSplitTimings();
-    SplitAnimationTimings SPLIT_TO_CONFIRM = new SplitToConfirmTimings();
+    int PHONE_ENTER_DURATION = 517;
+    int PHONE_CONFIRM_DURATION = 333;
+
+    int ABORT_DURATION = 500;
+
+    SplitAnimationTimings TABLET_OVERVIEW_TO_SPLIT = new TabletOverviewToSplitTimings();
+    SplitAnimationTimings TABLET_HOME_TO_SPLIT = new TabletHomeToSplitTimings();
+    SplitAnimationTimings TABLET_SPLIT_TO_CONFIRM = new TabletSplitToConfirmTimings();
+
+    SplitAnimationTimings PHONE_OVERVIEW_TO_SPLIT = new PhoneOverviewToSplitTimings();
+    SplitAnimationTimings PHONE_SPLIT_TO_CONFIRM = new PhoneSplitToConfirmTimings();
 
     // Shared methods
     int getDuration();
@@ -75,8 +84,10 @@
     default float getInstructionsTextFadeInEndOffset() { return 0; }
     default float getInstructionsUnfoldStartOffset() { return 0; }
     default float getInstructionsUnfoldEndOffset() { return 0; }
+    default Interpolator getGridSlidePrimaryInterpolator() { return LINEAR; }
+    default Interpolator getGridSlideSecondaryInterpolator() { return LINEAR; }
 
-    // Defaults for NormalToSplit
+    // Defaults for HomeToSplit
     default float getScrimFadeInStartOffset() { return 0; }
     default float getScrimFadeInEndOffset() { return 0; }
 
diff --git a/quickstep/src/com/android/quickstep/util/SplitToConfirmTimings.java b/quickstep/src/com/android/quickstep/util/SplitToConfirmTimings.java
index 84cfb0b..3026e98 100644
--- a/quickstep/src/com/android/quickstep/util/SplitToConfirmTimings.java
+++ b/quickstep/src/com/android/quickstep/util/SplitToConfirmTimings.java
@@ -16,28 +16,29 @@
 
 package com.android.quickstep.util;
 
-import static com.android.launcher3.anim.Interpolators.LINEAR;
-
 import android.view.animation.Interpolator;
 
 /**
  * Timings for the OverviewSplitSelect > confirmed animation.
  */
-public class SplitToConfirmTimings implements SplitAnimationTimings {
-    public int getPlaceholderFadeInStart() { return 0; }
-    public int getPlaceholderFadeInEnd() { return 133; }
-    public int getPlaceholderIconFadeInStart() { return 167; }
-    public int getPlaceholderIconFadeInEnd() { return 250; }
-    public int getStagedRectSlideStart() { return 0; }
-    public int getStagedRectSlideEnd() { return 383; }
+abstract class SplitToConfirmTimings implements SplitAnimationTimings {
+    // Overwritten by device-specific timings
+    abstract public int getPlaceholderFadeInStart();
+    abstract public int getPlaceholderFadeInEnd();
+    abstract public int getPlaceholderIconFadeInStart();
+    abstract public int getPlaceholderIconFadeInEnd();
+    abstract public int getStagedRectSlideStart();
+    abstract public int getStagedRectSlideEnd();
+
+    // Common timings
     public int getInstructionsFadeStart() { return 0; }
     public int getInstructionsFadeEnd() { return 67; }
 
-    public int getDuration() { return CONFIRM_DURATION; }
-    public Interpolator getStagedRectXInterpolator() { return LINEAR; }
-    public Interpolator getStagedRectYInterpolator() { return LINEAR; }
-    public Interpolator getStagedRectScaleXInterpolator() { return LINEAR; }
-    public Interpolator getStagedRectScaleYInterpolator() { return LINEAR; }
+    abstract public int getDuration();
+    abstract public Interpolator getStagedRectXInterpolator();
+    abstract public Interpolator getStagedRectYInterpolator();
+    abstract public Interpolator getStagedRectScaleXInterpolator();
+    abstract public Interpolator getStagedRectScaleYInterpolator();
 
     public float getInstructionsFadeStartOffset() {
         return (float) getInstructionsFadeStart() / getDuration();
diff --git a/quickstep/src/com/android/quickstep/util/NormalToSplitTimings.java b/quickstep/src/com/android/quickstep/util/TabletHomeToSplitTimings.java
similarity index 88%
rename from quickstep/src/com/android/quickstep/util/NormalToSplitTimings.java
rename to quickstep/src/com/android/quickstep/util/TabletHomeToSplitTimings.java
index 1bf5a5d..bf8612a 100644
--- a/quickstep/src/com/android/quickstep/util/NormalToSplitTimings.java
+++ b/quickstep/src/com/android/quickstep/util/TabletHomeToSplitTimings.java
@@ -21,9 +21,10 @@
 import android.view.animation.Interpolator;
 
 /**
- * Timings for the Normal > OverviewSplitSelect animation.
+ * Timings for the Home > OverviewSplitSelect animation on tablets.
  */
-public class NormalToSplitTimings extends OverviewToSplitTimings implements SplitAnimationTimings {
+public class TabletHomeToSplitTimings
+        extends TabletOverviewToSplitTimings implements SplitAnimationTimings {
     @Override
     public Interpolator getStagedRectXInterpolator() { return LINEAR; }
     @Override
diff --git a/quickstep/src/com/android/quickstep/util/TabletOverviewToSplitTimings.java b/quickstep/src/com/android/quickstep/util/TabletOverviewToSplitTimings.java
new file mode 100644
index 0000000..cbf46bf
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/TabletOverviewToSplitTimings.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+package com.android.quickstep.util;
+
+import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
+
+import android.view.animation.Interpolator;
+
+/**
+ * Timings for the Overview > OverviewSplitSelect animation on tablets.
+ */
+public class TabletOverviewToSplitTimings
+        extends OverviewToSplitTimings implements SplitAnimationTimings {
+    public int getPlaceholderFadeInStart() { return 0; }
+    public int getPlaceholderFadeInEnd() { return 133; }
+    public int getPlaceholderIconFadeInStart() { return 167; }
+    public int getPlaceholderIconFadeInEnd() { return 250; }
+    public int getStagedRectSlideStart() { return 0; }
+    public int getStagedRectSlideEnd() { return 417; }
+    public int getGridSlideStart() { return 67; }
+    public int getGridSlideStagger() { return 16; }
+    public int getGridSlideDuration() { return 500; }
+
+    public int getDuration() { return TABLET_ENTER_DURATION; }
+    public Interpolator getStagedRectXInterpolator() { return DEACCEL_2; }
+    public Interpolator getStagedRectYInterpolator() { return DEACCEL_2; }
+    public Interpolator getStagedRectScaleXInterpolator() { return DEACCEL_2; }
+    public Interpolator getStagedRectScaleYInterpolator() { return DEACCEL_2; }
+}
diff --git a/quickstep/src/com/android/quickstep/util/NormalToSplitTimings.java b/quickstep/src/com/android/quickstep/util/TabletSplitToConfirmTimings.java
similarity index 60%
copy from quickstep/src/com/android/quickstep/util/NormalToSplitTimings.java
copy to quickstep/src/com/android/quickstep/util/TabletSplitToConfirmTimings.java
index 1bf5a5d..3ea8466 100644
--- a/quickstep/src/com/android/quickstep/util/NormalToSplitTimings.java
+++ b/quickstep/src/com/android/quickstep/util/TabletSplitToConfirmTimings.java
@@ -21,23 +21,20 @@
 import android.view.animation.Interpolator;
 
 /**
- * Timings for the Normal > OverviewSplitSelect animation.
+ * Timings for the OverviewSplitSelect > confirmed animation on tablets.
  */
-public class NormalToSplitTimings extends OverviewToSplitTimings implements SplitAnimationTimings {
-    @Override
+public class TabletSplitToConfirmTimings
+        extends SplitToConfirmTimings implements SplitAnimationTimings {
+    public int getPlaceholderFadeInStart() { return 0; }
+    public int getPlaceholderFadeInEnd() { return 133; }
+    public int getPlaceholderIconFadeInStart() { return 167; }
+    public int getPlaceholderIconFadeInEnd() { return 250; }
+    public int getStagedRectSlideStart() { return 0; }
+    public int getStagedRectSlideEnd() { return 383; }
+
+    public int getDuration() { return TABLET_CONFIRM_DURATION; }
     public Interpolator getStagedRectXInterpolator() { return LINEAR; }
-    @Override
+    public Interpolator getStagedRectYInterpolator() { return LINEAR; }
     public Interpolator getStagedRectScaleXInterpolator() { return LINEAR; }
-    @Override
     public Interpolator getStagedRectScaleYInterpolator() { return LINEAR; }
-
-    public int getScrimFadeInStart() { return 0; }
-    public int getScrimFadeInEnd() { return 167; }
-
-    public float getScrimFadeInStartOffset() {
-        return (float) getScrimFadeInStart() / getDuration();
-    }
-    public float getScrimFadeInEndOffset() {
-        return (float) getScrimFadeInEnd() / getDuration();
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
index 1a02f03..dc1ae52 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
@@ -30,6 +30,7 @@
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.views.BaseDragLayer;
+import com.android.quickstep.util.AnimUtils;
 import com.android.quickstep.util.MultiValueUpdateListener;
 import com.android.quickstep.util.SplitAnimationTimings;
 import com.android.quickstep.util.TaskCornerRadius;
@@ -215,9 +216,19 @@
      */
     public void addStagingAnimation(PendingAnimation animation, RectF startingBounds,
             Rect endBounds, boolean fadeWithThumbnail, boolean isStagedTask) {
-        SplitAnimationTimings timings = fadeWithThumbnail
-                ? SplitAnimationTimings.OVERVIEW_TO_SPLIT
-                : SplitAnimationTimings.NORMAL_TO_SPLIT;
+        boolean isTablet = mActivity.getDeviceProfile().isTablet;
+        boolean splittingFromOverview = fadeWithThumbnail;
+        SplitAnimationTimings timings;
+
+        if (isTablet && splittingFromOverview) {
+            timings = SplitAnimationTimings.TABLET_OVERVIEW_TO_SPLIT;
+        } else if (!isTablet && splittingFromOverview) {
+            timings = SplitAnimationTimings.PHONE_OVERVIEW_TO_SPLIT;
+        } else {
+            // Splitting from Home is currently only available on tablets
+            timings = SplitAnimationTimings.TABLET_HOME_TO_SPLIT;
+        }
+
         addAnimation(animation, startingBounds, endBounds, fadeWithThumbnail, isStagedTask,
                 timings);
     }
@@ -228,8 +239,11 @@
      */
     public void addConfirmAnimation(PendingAnimation animation, RectF startingBounds,
             Rect endBounds, boolean fadeWithThumbnail, boolean isStagedTask) {
+        SplitAnimationTimings timings =
+                AnimUtils.getDeviceSplitToConfirmTimings(mActivity.getDeviceProfile().isTablet);
+
         addAnimation(animation, startingBounds, endBounds, fadeWithThumbnail, isStagedTask,
-                SplitAnimationTimings.SPLIT_TO_CONFIRM);
+                timings);
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 96607a0..7ad0e48 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -171,6 +171,7 @@
 import com.android.quickstep.ViewUtils;
 import com.android.quickstep.util.ActiveGestureErrorDetector;
 import com.android.quickstep.util.ActiveGestureLog;
+import com.android.quickstep.util.AnimUtils;
 import com.android.quickstep.util.GroupTask;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.RecentsOrientedState;
@@ -2775,7 +2776,7 @@
         anim.setFloat(taskView, VIEW_ALPHA, 0,
                 clampToProgress(isOnGridBottomRow(taskView) ? ACCEL : FINAL_FRAME, 0, 0.5f));
         FloatProperty<TaskView> secondaryViewTranslate =
-                taskView.getSecondaryDissmissTranslationProperty();
+                taskView.getSecondaryDismissTranslationProperty();
         int secondaryTaskDimension = mOrientationHandler.getSecondaryDimension(taskView);
         int verticalFactor = mOrientationHandler.getSecondaryTranslationDirectionFactor();
 
@@ -2809,7 +2810,8 @@
         mOrientationHandler.getInitialSplitPlaceholderBounds(mSplitPlaceholderSize,
                 mSplitPlaceholderInset, mActivity.getDeviceProfile(),
                 mSplitSelectStateController.getActiveSplitStagePosition(), mTempRect);
-        SplitAnimationTimings timings = SplitAnimationTimings.OVERVIEW_TO_SPLIT;
+        SplitAnimationTimings timings =
+                AnimUtils.getDeviceOverviewToSplitTimings(mActivity.getDeviceProfile().isTablet);
 
         RectF startingTaskRect = new RectF();
         safeRemoveDragLayerView(mFirstFloatingTaskView);
@@ -3053,6 +3055,9 @@
             }
         }
 
+        SplitAnimationTimings splitTimings =
+                AnimUtils.getDeviceOverviewToSplitTimings(mActivity.getDeviceProfile().isTablet);
+
         int distanceFromDismissedTask = 0;
         for (int i = 0; i < count; i++) {
             View child = getChildAt(i);
@@ -3095,9 +3100,30 @@
                     float additionalDismissDuration =
                             ADDITIONAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET * Math.abs(
                                     i - dismissedIndex);
-                    anim.setFloat(child, translationProperty, scrollDiff, clampToProgress(LINEAR,
-                            Utilities.boundToRange(INITIAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
-                                    + additionalDismissDuration, 0f, 1f), 1));
+
+                    // We are in non-grid layout.
+                    // If dismissing for split select, use split timings.
+                    // If not, use dismiss timings.
+                    float animationStartProgress = isSplitSelectionActive()
+                            ? Utilities.boundToRange(splitTimings.getGridSlideStartOffset(), 0f, 1f)
+                            : Utilities.boundToRange(
+                                    INITIAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
+                                            + additionalDismissDuration, 0f, 1f);
+
+                    float animationEndProgress = isSplitSelectionActive()
+                            ? Utilities.boundToRange(splitTimings.getGridSlideStartOffset()
+                                            + splitTimings.getGridSlideDurationOffset(), 0f, 1f)
+                            : 1f;
+
+                    // Slide tiles in horizontally to fill dismissed area
+                    anim.setFloat(child, translationProperty, scrollDiff,
+                            clampToProgress(
+                                    splitTimings.getGridSlidePrimaryInterpolator(),
+                                    animationStartProgress,
+                                    animationEndProgress
+                            )
+                    );
+
                     if (ENABLE_QUICKSTEP_LIVE_TILE.get() && mEnableDrawingLiveTile
                             && child instanceof TaskView
                             && ((TaskView) child).isRunningTask()) {
@@ -3138,11 +3164,11 @@
                         : distanceFromDismissedTask;
                 // Set timings based on if user is initiating splitscreen on the focused task,
                 // or splitting/dismissing some other task.
-                SplitAnimationTimings timings = SplitAnimationTimings.OVERVIEW_TO_SPLIT;
                 float animationStartProgress = isStagingFocusedTask
                         ? Utilities.boundToRange(
-                                timings.getGridSlideStartOffset()
-                                        + (timings.getGridSlideStaggerOffset() * staggerColumn),
+                                splitTimings.getGridSlideStartOffset()
+                                        + (splitTimings.getGridSlideStaggerOffset()
+                                        * staggerColumn),
                         0f,
                         dismissTranslationInterpolationEnd)
                         : Utilities.boundToRange(
@@ -3151,9 +3177,9 @@
                                         * staggerColumn, 0f, dismissTranslationInterpolationEnd);
                 float animationEndProgress = isStagingFocusedTask
                         ? Utilities.boundToRange(
-                                timings.getGridSlideStartOffset()
-                                        + (timings.getGridSlideStaggerOffset() * staggerColumn)
-                                        + timings.getGridSlideDurationOffset(),
+                                splitTimings.getGridSlideStartOffset()
+                                        + (splitTimings.getGridSlideStaggerOffset() * staggerColumn)
+                                        + splitTimings.getGridSlideDurationOffset(),
                         0f,
                         dismissTranslationInterpolationEnd)
                         : dismissTranslationInterpolationEnd;
@@ -3173,7 +3199,7 @@
                     if (!nextFocusedTaskFromTop) {
                         secondaryTranslation -= mTopBottomRowHeightDiff;
                     }
-                    anim.setFloat(taskView, taskView.getSecondaryDissmissTranslationProperty(),
+                    anim.setFloat(taskView, taskView.getSecondaryDismissTranslationProperty(),
                             secondaryTranslation, clampToProgress(LINEAR, animationStartProgress,
                                     dismissTranslationInterpolationEnd));
                     anim.setFloat(taskView, TaskView.FOCUS_TRANSITION, 0f,
@@ -4179,9 +4205,13 @@
         // TODO(194414938) starting bounds seem slightly off, investigate
         Rect firstTaskStartingBounds = new Rect();
         Rect firstTaskEndingBounds = mTempRect;
-        PendingAnimation pendingAnimation =
-                new PendingAnimation(SplitAnimationTimings.CONFIRM_DURATION);
-        SplitAnimationTimings timings = SplitAnimationTimings.SPLIT_TO_CONFIRM;
+
+        boolean isTablet = mActivity.getDeviceProfile().isTablet;
+        int duration = isTablet
+                ? SplitAnimationTimings.TABLET_CONFIRM_DURATION
+                : SplitAnimationTimings.PHONE_CONFIRM_DURATION;
+        PendingAnimation pendingAnimation = new PendingAnimation(duration);
+        SplitAnimationTimings timings = AnimUtils.getDeviceSplitToConfirmTimings(isTablet);
 
         int halfDividerSize = getResources()
                 .getDimensionPixelSize(R.dimen.multi_window_task_divider_size) / 2;
@@ -4257,6 +4287,12 @@
             snapToPageImmediately(pageToSnapTo);
         }
         onLayout(false /*  changed */, getLeft(), getTop(), getRight(), getBottom());
+
+        // We are leaving split selection state, so it is safe to reset thumbnail translations for
+        // the next time split is invoked.
+        setTaskViewsPrimarySplitTranslation(0);
+        setTaskViewsSecondarySplitTranslation(0);
+
         resetTaskVisuals();
         mSplitHiddenTaskViewIndex = -1;
     }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 9720c2a..a0f195c 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -1261,7 +1261,7 @@
                 DISMISS_TRANSLATION_X, DISMISS_TRANSLATION_Y);
     }
 
-    public FloatProperty<TaskView> getSecondaryDissmissTranslationProperty() {
+    public FloatProperty<TaskView> getSecondaryDismissTranslationProperty() {
         return getPagedOrientationHandler().getSecondaryValue(
                 DISMISS_TRANSLATION_X, DISMISS_TRANSLATION_Y);
     }
diff --git a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
index e0b4951..368a373 100644
--- a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
+++ b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
@@ -42,25 +42,29 @@
         BaseAllAppsAdapter<T> {
 
     public static final String TAG = "AppsGridAdapter";
-    private final GridLayoutManager mGridLayoutMgr;
-    private final GridSpanSizer mGridSizer;
+    private final AppsGridLayoutManager mGridLayoutMgr;
 
     public AllAppsGridAdapter(T activityContext, LayoutInflater inflater,
             AlphabeticalAppsList apps, BaseAdapterProvider[] adapterProviders) {
         super(activityContext, inflater, apps, adapterProviders);
-        mGridSizer = new GridSpanSizer();
         mGridLayoutMgr = new AppsGridLayoutManager(mActivityContext);
-        mGridLayoutMgr.setSpanSizeLookup(mGridSizer);
+        mGridLayoutMgr.setSpanSizeLookup(new GridSpanSizer());
         setAppsPerRow(activityContext.getDeviceProfile().numShownAllAppsColumns);
     }
 
     /**
      * Returns the grid layout manager.
      */
-    public RecyclerView.LayoutManager getLayoutManager() {
+    public AppsGridLayoutManager getLayoutManager() {
         return mGridLayoutMgr;
     }
 
+    /** @return the column index that the given adapter index falls. */
+    public int getSpanIndex(int adapterIndex) {
+        AppsGridLayoutManager lm = getLayoutManager();
+        return lm.getSpanSizeLookup().getSpanIndex(adapterIndex, lm.getSpanCount());
+    }
+
     /**
      * A subclass of GridLayoutManager that overrides accessibility values during app search.
      */
diff --git a/src/com/android/launcher3/allapps/SearchTransitionController.java b/src/com/android/launcher3/allapps/SearchTransitionController.java
index 8fc7965..a1f5bc6 100644
--- a/src/com/android/launcher3/allapps/SearchTransitionController.java
+++ b/src/com/android/launcher3/allapps/SearchTransitionController.java
@@ -29,6 +29,7 @@
 import android.animation.ObjectAnimator;
 import android.graphics.drawable.Drawable;
 import android.util.FloatProperty;
+import android.util.Log;
 import android.view.View;
 import android.view.animation.Interpolator;
 
@@ -36,10 +37,13 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 
 /** Coordinates the transition between Search and A-Z in All Apps. */
 public class SearchTransitionController {
 
+    private static final String LOG_TAG = "SearchTransitionCtrl";
+
     // Interpolator when the user taps the QSB while already in All Apps.
     private static final Interpolator INTERPOLATOR_WITHIN_ALL_APPS = DEACCEL_1_7;
     // Interpolator when the user taps the QSB from home screen, so transition to all apps is
@@ -171,6 +175,7 @@
         int appRowHeight = 0;
         Integer top = null;
         SearchRecyclerView searchRecyclerView = getSearchRecyclerView();
+
         for (int i = 0; i < searchRecyclerView.getChildCount(); i++) {
             View searchResultView = searchRecyclerView.getChildAt(i);
             if (searchResultView == null) {
@@ -226,15 +231,43 @@
             float scaleY = 1 - mSearchToAzProgress;
             int scaledHeight = (int) (searchResultView.getHeight() * scaleY);
             searchResultView.setScaleY(scaleY);
-            searchResultView.setY(top + totalHeight);
 
-            numSearchResultsAnimated++;
-            totalHeight += scaledHeight;
+            // For rows with multiple elements, only count the height once and translate elements to
+            // the same y position.
+            int y = top + totalHeight;
+            int spanIndex = getSpanIndex(searchRecyclerView, adapterPosition);
+            if (spanIndex > 0) {
+                // Continuation of an existing row; move this item into the row.
+                y -= scaledHeight;
+            } else {
+                // Start of a new row contributes to total height and animation stagger.
+                numSearchResultsAnimated++;
+                totalHeight += scaledHeight;
+            }
+            searchResultView.setY(y);
         }
 
         return totalHeight - appRowHeight;
     }
 
+    /** @return the column that the view at this position is found (0 assumed if indeterminate). */
+    private int getSpanIndex(SearchRecyclerView searchRecyclerView, int adapterPosition) {
+        if (adapterPosition == NO_POSITION) {
+            Log.w(LOG_TAG, "Can't determine span index - child not found in adapter");
+            return 0;
+        }
+        if (!(searchRecyclerView.getAdapter() instanceof AllAppsGridAdapter<?>)) {
+            Log.e(LOG_TAG, "Search RV doesn't have an AllAppsGridAdapter?");
+            // This case shouldn't happen, but for debug devices we will continue to create a more
+            // visible crash.
+            if (!Utilities.IS_DEBUG_DEVICE) {
+                return 0;
+            }
+        }
+        AllAppsGridAdapter<?> adapter = (AllAppsGridAdapter<?>) searchRecyclerView.getAdapter();
+        return adapter.getSpanIndex(adapterPosition);
+    }
+
     /** Called just before a child is attached to the SearchRecyclerView. */
     private void onSearchChildAttached(View child) {
         // Avoid allocating hardware layers for alpha changes.
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 4a47e98..50cf8d6 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -97,6 +97,9 @@
     public static final BooleanFlag ENABLE_HIDE_HEADER = new DeviceFlag("ENABLE_HIDE_HEADER",
             true, "Hide header on keyboard before typing in all apps");
 
+    public static final BooleanFlag ENABLE_HIDE_HEADER_STATIC = new DeviceFlag(
+            "ENABLE_HIDE_HEADER_STATIC", false, "Hide keyboard suggestion strip");
+
     public static final BooleanFlag COLLECT_SEARCH_HISTORY = new DeviceFlag(
             "COLLECT_SEARCH_HISTORY", false, "Allow launcher to collect search history for log");