diff --git a/java/res/values-land/config.xml b/java/res/values-land/config.xml
index 34d6d4e19..a0d12702a 100644
--- a/java/res/values-land/config.xml
+++ b/java/res/values-land/config.xml
@@ -42,14 +42,18 @@
     <dimen name="config_key_preview_offset_holo">1.6dp</dimen>
 
     <fraction name="config_key_preview_text_ratio">90%</fraction>
-    <fraction name="config_key_letter_ratio">65%</fraction>
+    <fraction name="config_key_letter_ratio_holo">65%</fraction>
+    <fraction name="config_key_letter_ratio_lxx">65%</fraction>
     <fraction name="config_key_large_letter_ratio_holo">74%</fraction>
     <fraction name="config_key_large_letter_ratio_lxx">90%</fraction>
-    <fraction name="config_key_label_ratio">40%</fraction>
-    <fraction name="config_key_hint_letter_ratio">30%</fraction>
+    <fraction name="config_key_label_ratio_holo">40%</fraction>
+    <fraction name="config_key_label_ratio_lxx">40%</fraction>
+    <fraction name="config_key_hint_letter_ratio_holo">30%</fraction>
+    <fraction name="config_key_hint_letter_ratio_lxx">30%</fraction>
     <fraction name="config_key_hint_label_ratio_holo">52%</fraction>
     <fraction name="config_key_hint_label_ratio_lxx">30%</fraction>
-    <fraction name="config_key_shifted_letter_hint_ratio">40%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_holo">40%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_lxx">40%</fraction>
     <fraction name="config_language_on_spacebar_text_ratio">40.000%</fraction>
 
     <!-- For 5-row keyboard -->
diff --git a/java/res/values-land/keyboard-heights.xml b/java/res/values-land/keyboard-heights.xml
index d57f96be3..02d8b14c8 100644
--- a/java/res/values-land/keyboard-heights.xml
+++ b/java/res/values-land/keyboard-heights.xml
@@ -33,5 +33,7 @@
     <!-- Preferable keyboard height in absolute scale: 45.0mm -->
         <!-- Xoom -->
         <item>HARDWARE=stingray,265.4378</item>
+        <!-- Volantis -->
+        <item>HARDWARE=flounder,272.0</item>
     </string-array>
 </resources>
diff --git a/java/res/values-sw600dp-land/config.xml b/java/res/values-sw600dp-land/config.xml
index c238b2c42..d33af2e37 100644
--- a/java/res/values-sw600dp-land/config.xml
+++ b/java/res/values-sw600dp-land/config.xml
@@ -23,7 +23,7 @@
     <!-- Preferable keyboard height in absolute scale: 45.0mm -->
     <!-- This config_default_keyboard_height value should match with keyboard-heights.xml -->
     <dimen name="config_default_keyboard_height">283.5dp</dimen>
-    <fraction name="config_min_keyboard_height">45%p</fraction>
+    <fraction name="config_min_keyboard_height">40%p</fraction>
 
     <dimen name="config_more_keys_keyboard_key_height">81.9dp</dimen>
 
@@ -32,14 +32,18 @@
     <fraction name="config_key_vertical_gap_holo">4.5%p</fraction>
     <fraction name="config_key_horizontal_gap_holo">0.9%p</fraction>
 
-    <fraction name="config_key_letter_ratio">50%</fraction>
+    <fraction name="config_key_letter_ratio_holo">50%</fraction>
+    <fraction name="config_key_letter_ratio_lxx">50%</fraction>
     <fraction name="config_key_large_letter_ratio_holo">48%</fraction>
     <fraction name="config_key_large_letter_ratio_lxx">60%</fraction>
-    <fraction name="config_key_label_ratio">32%</fraction>
-    <fraction name="config_key_hint_letter_ratio">23%</fraction>
+    <fraction name="config_key_label_ratio_holo">32%</fraction>
+    <fraction name="config_key_label_ratio_lxx">32%</fraction>
+    <fraction name="config_key_hint_letter_ratio_holo">23%</fraction>
+    <fraction name="config_key_hint_letter_ratio_lxx">23%</fraction>
     <fraction name="config_key_hint_label_ratio_holo">34%</fraction>
     <fraction name="config_key_hint_label_ratio_lxx">20%</fraction>
-    <fraction name="config_key_shifted_letter_hint_ratio">29%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_holo">29%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_lxx">29%</fraction>
     <fraction name="config_language_on_spacebar_text_ratio">30.0%</fraction>
     <dimen name="config_key_shifted_letter_hint_padding">4dp</dimen>
 
diff --git a/java/res/values-sw600dp/config.xml b/java/res/values-sw600dp/config.xml
index 3c489bbe8..0df945fb3 100644
--- a/java/res/values-sw600dp/config.xml
+++ b/java/res/values-sw600dp/config.xml
@@ -44,14 +44,18 @@
 
     <dimen name="config_key_preview_height">94.5dp</dimen>
     <fraction name="config_key_preview_text_ratio">50%</fraction>
-    <fraction name="config_key_letter_ratio">42%</fraction>
+    <fraction name="config_key_letter_ratio_holo">42%</fraction>
+    <fraction name="config_key_letter_ratio_lxx">50%</fraction>
     <fraction name="config_key_large_letter_ratio_holo">45%</fraction>
     <fraction name="config_key_large_letter_ratio_lxx">60%</fraction>
-    <fraction name="config_key_label_ratio">25%</fraction>
-    <fraction name="config_key_hint_letter_ratio">23%</fraction>
+    <fraction name="config_key_label_ratio_holo">25%</fraction>
+    <fraction name="config_key_label_ratio_lxx">32%</fraction>
+    <fraction name="config_key_hint_letter_ratio_holo">23%</fraction>
+    <fraction name="config_key_hint_letter_ratio_lxx">23%</fraction>
     <fraction name="config_key_hint_label_ratio_holo">28%</fraction>
     <fraction name="config_key_hint_label_ratio_lxx">20%</fraction>
-    <fraction name="config_key_shifted_letter_hint_ratio">22%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_holo">22%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_lxx">22%</fraction>
     <fraction name="config_language_on_spacebar_text_ratio">28.0%</fraction>
     <dimen name="config_key_hint_letter_padding">3dp</dimen>
     <dimen name="config_key_shifted_letter_hint_padding">3dp</dimen>
diff --git a/java/res/values-sw768dp-land/config.xml b/java/res/values-sw768dp-land/config.xml
index 587a3c1a4..3d49e4a4e 100644
--- a/java/res/values-sw768dp-land/config.xml
+++ b/java/res/values-sw768dp-land/config.xml
@@ -23,7 +23,7 @@
     <!-- Preferable keyboard height in absolute scale: 58.0mm -->
     <!-- This config_default_keyboard_height value should match with keyboard-heights.xml -->
     <dimen name="config_default_keyboard_height">365.4dp</dimen>
-    <fraction name="config_min_keyboard_height">45%p</fraction>
+    <fraction name="config_min_keyboard_height">35%p</fraction>
 
     <fraction name="config_keyboard_top_padding_holo">1.896%p</fraction>
     <fraction name="config_keyboard_bottom_padding_holo">0.0%p</fraction>
@@ -34,14 +34,18 @@
     <dimen name="config_more_keys_keyboard_key_height">81.9dp</dimen>
 
     <dimen name="config_key_preview_height">107.1dp</dimen>
-    <fraction name="config_key_letter_ratio">43%</fraction>
+    <fraction name="config_key_letter_ratio_holo">43%</fraction>
+    <fraction name="config_key_letter_ratio_lxx">50%</fraction>
     <fraction name="config_key_large_letter_ratio_holo">42%</fraction>
     <fraction name="config_key_large_letter_ratio_lxx">60%</fraction>
-    <fraction name="config_key_label_ratio">28%</fraction>
-    <fraction name="config_key_hint_letter_ratio">23%</fraction>
+    <fraction name="config_key_label_ratio_holo">28%</fraction>
+    <fraction name="config_key_label_ratio_lxx">32%</fraction>
+    <fraction name="config_key_hint_letter_ratio_holo">23%</fraction>
+    <fraction name="config_key_hint_letter_ratio_lxx">23%</fraction>
     <fraction name="config_key_hint_label_ratio_holo">28%</fraction>
     <fraction name="config_key_hint_label_ratio_lxx">20%</fraction>
-    <fraction name="config_key_shifted_letter_hint_ratio">24%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_holo">24%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_lxx">24%</fraction>
     <fraction name="config_language_on_spacebar_text_ratio">24.00%</fraction>
 
     <!-- For 5-row keyboard -->
diff --git a/java/res/values-sw768dp/config.xml b/java/res/values-sw768dp/config.xml
index f573c40df..1863e1e70 100644
--- a/java/res/values-sw768dp/config.xml
+++ b/java/res/values-sw768dp/config.xml
@@ -42,14 +42,18 @@
 
     <dimen name="config_key_preview_height">94.5dp</dimen>
     <fraction name="config_key_preview_text_ratio">50%</fraction>
-    <fraction name="config_key_letter_ratio">40%</fraction>
+    <fraction name="config_key_letter_ratio_holo">40%</fraction>
+    <fraction name="config_key_letter_ratio_lxx">50%</fraction>
     <fraction name="config_key_large_letter_ratio_holo">42%</fraction>
     <fraction name="config_key_large_letter_ratio_lxx">60%</fraction>
-    <fraction name="config_key_label_ratio">28%</fraction>
-    <fraction name="config_key_hint_letter_ratio">23%</fraction>
+    <fraction name="config_key_label_ratio_holo">28%</fraction>
+    <fraction name="config_key_label_ratio_lxx">32%</fraction>
+    <fraction name="config_key_hint_letter_ratio_holo">23%</fraction>
+    <fraction name="config_key_hint_letter_ratio_lxx">23%</fraction>
     <fraction name="config_key_hint_label_ratio_holo">28%</fraction>
     <fraction name="config_key_hint_label_ratio_lxx">20%</fraction>
-    <fraction name="config_key_shifted_letter_hint_ratio">26%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_holo">26%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_lxx">26%</fraction>
     <fraction name="config_language_on_spacebar_text_ratio">29.03%</fraction>
     <dimen name="config_key_hint_letter_padding">3dp</dimen>
     <dimen name="config_key_shifted_letter_hint_padding">3dp</dimen>
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index af3b5890b..16826f6c7 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -46,14 +46,18 @@
 
     <dimen name="config_key_preview_height">80dp</dimen>
     <fraction name="config_key_preview_text_ratio">82%</fraction>
-    <fraction name="config_key_letter_ratio">55%</fraction>
+    <fraction name="config_key_letter_ratio_holo">55%</fraction>
+    <fraction name="config_key_letter_ratio_lxx">55%</fraction>
     <fraction name="config_key_large_letter_ratio_holo">65%</fraction>
     <fraction name="config_key_large_letter_ratio_lxx">90%</fraction>
-    <fraction name="config_key_label_ratio">34%</fraction>
-    <fraction name="config_key_hint_letter_ratio">25%</fraction>
+    <fraction name="config_key_label_ratio_holo">34%</fraction>
+    <fraction name="config_key_label_ratio_lxx">34%</fraction>
+    <fraction name="config_key_hint_letter_ratio_holo">25%</fraction>
+    <fraction name="config_key_hint_letter_ratio_lxx">25%</fraction>
     <fraction name="config_key_hint_label_ratio_holo">44%</fraction>
     <fraction name="config_key_hint_label_ratio_lxx">30%</fraction>
-    <fraction name="config_key_shifted_letter_hint_ratio">35%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_holo">35%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_lxx">35%</fraction>
     <fraction name="config_language_on_spacebar_text_ratio">33.735%</fraction>
     <dimen name="config_key_hint_letter_padding">1dp</dimen>
     <dimen name="config_key_shifted_letter_hint_padding">2dp</dimen>
diff --git a/java/res/values/themes-common.xml b/java/res/values/themes-common.xml
index becaddd35..87dcb7732 100644
--- a/java/res/values/themes-common.xml
+++ b/java/res/values/themes-common.xml
@@ -37,12 +37,6 @@
         <!-- This keyBackground is needed to run unit tests based on {@link InputTestBase}. -->
         <!-- TODO: Apply default {@link KeyboardTheme} to {@link InputTestBase} and remove this. -->
         <item name="keyBackground">@drawable/btn_keyboard_key_klp</item>
-        <item name="keyLetterSize">@fraction/config_key_letter_ratio</item>
-        <item name="keyLargeLetterRatio">@fraction/config_key_large_letter_ratio_holo</item>
-        <item name="keyLabelSize">@fraction/config_key_label_ratio</item>
-        <item name="keyHintLetterRatio">@fraction/config_key_hint_letter_ratio</item>
-        <item name="keyHintLabelRatio">@fraction/config_key_hint_label_ratio_holo</item>
-        <item name="keyShiftedLetterHintRatio">@fraction/config_key_shifted_letter_hint_ratio</item>
         <item name="keyTypeface">normal</item>
         <!-- A negative value to disable key text shadow layer. -->
         <item name="keyTextShadowRadius">-1.0</item>
diff --git a/java/res/values/themes-holo.xml b/java/res/values/themes-holo.xml
index cb3ad7a3a..9f1bd2f78 100644
--- a/java/res/values/themes-holo.xml
+++ b/java/res/values/themes-holo.xml
@@ -25,6 +25,10 @@
         parent="KeyboardView"
     >
         <item name="keyTypeface">bold</item>
+        <item name="keyLetterSize">@fraction/config_key_letter_ratio_holo</item>
+        <item name="keyLabelSize">@fraction/config_key_label_ratio_holo</item>
+        <item name="keyHintLetterRatio">@fraction/config_key_hint_letter_ratio_holo</item>
+        <item name="keyShiftedLetterHintRatio">@fraction/config_key_shifted_letter_hint_ratio_holo</item>
         <item name="keyLargeLetterRatio">@fraction/config_key_large_letter_ratio_holo</item>
         <item name="keyLabelOffCenterRatio">-175%</item>
         <item name="keyHintLabelRatio">@fraction/config_key_hint_label_ratio_holo</item>
diff --git a/java/res/values/themes-lxx.xml b/java/res/values/themes-lxx.xml
index 1c33cd60b..c72188871 100644
--- a/java/res/values/themes-lxx.xml
+++ b/java/res/values/themes-lxx.xml
@@ -25,6 +25,10 @@
         parent="KeyboardView"
     >
         <item name="keyTypeface">normal</item>
+        <item name="keyLetterSize">@fraction/config_key_letter_ratio_lxx</item>
+        <item name="keyLabelSize">@fraction/config_key_label_ratio_lxx</item>
+        <item name="keyHintLetterRatio">@fraction/config_key_hint_letter_ratio_lxx</item>
+        <item name="keyShiftedLetterHintRatio">@fraction/config_key_shifted_letter_hint_ratio_lxx</item>
         <item name="keyLargeLetterRatio">@fraction/config_key_large_letter_ratio_lxx</item>
         <item name="keyLabelOffCenterRatio">-80%</item>
         <item name="keyHintLabelRatio">@fraction/config_key_hint_label_ratio_lxx</item>