diff --git a/Calculator/Calculator-Calculator.apk b/Calculator/Calculator-Calculator.apk
index 6073363c7..a9da6b8b8 100644
Binary files a/Calculator/Calculator-Calculator.apk and b/Calculator/Calculator-Calculator.apk differ
diff --git a/Calculator/Calculator-Calculator.iml b/Calculator/Calculator-Calculator.iml
index 3aa4a5993..f7c5ac9f5 100644
--- a/Calculator/Calculator-Calculator.iml
+++ b/Calculator/Calculator-Calculator.iml
@@ -8,11 +8,10 @@
     </facet>
     <facet type="android" name="Android">
       <configuration>
-        <option name="SELECTED_BUILD_VARIANT" value="debug" />
-        <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
-        <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugJava" />
-        <option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugTest" />
-        <option name="SOURCE_GEN_TASK_NAME" value="generateDebugSources" />
+        <option name="SELECTED_BUILD_VARIANT" value="release" />
+        <option name="ASSEMBLE_TASK_NAME" value="assembleRelease" />
+        <option name="COMPILE_JAVA_TASK_NAME" value="compileReleaseJava" />
+        <option name="SOURCE_GEN_TASK_NAME" value="generateReleaseSources" />
         <option name="ALLOW_USER_CONFIGURATION" value="false" />
         <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
         <option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
@@ -22,26 +21,21 @@
     </facet>
   </component>
   <component name="NewModuleRootManager" inherit-compiler-output="false">
-    <output url="file://$MODULE_DIR$/build/classes/debug" />
+    <output url="file://$MODULE_DIR$/build/classes/release" />
     <exclude-output />
     <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/build/source/r/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/aidl/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/buildConfig/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/rs/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/res/rs/debug" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/r/test/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/aidl/test/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/buildConfig/test/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/rs/test/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/res/rs/test/debug" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/build/source/r/release" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/source/aidl/release" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/source/buildConfig/release" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/source/rs/release" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/res/rs/release" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/aidl" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/assets" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/jni" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/rs" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />
diff --git a/Calculator/build.gradle b/Calculator/build.gradle
index 9ff8021a2..22882f38c 100644
--- a/Calculator/build.gradle
+++ b/Calculator/build.gradle
@@ -7,8 +7,8 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 19
-        versionCode 59
-        versionName "4.1.2"
+        versionCode 60
+        versionName "4.2"
     }
     buildTypes {
         release {
diff --git a/ThemeEngine/ThemeEngine.iml b/ThemeEngine/ThemeEngine.iml
index 5191013e0..88914bb2c 100644
--- a/ThemeEngine/ThemeEngine.iml
+++ b/ThemeEngine/ThemeEngine.iml
@@ -8,11 +8,10 @@
     </facet>
     <facet type="android" name="Android">
       <configuration>
-        <option name="SELECTED_BUILD_VARIANT" value="debug" />
-        <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
-        <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugJava" />
-        <option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugTest" />
-        <option name="SOURCE_GEN_TASK_NAME" value="generateDebugSources" />
+        <option name="SELECTED_BUILD_VARIANT" value="release" />
+        <option name="ASSEMBLE_TASK_NAME" value="assembleRelease" />
+        <option name="COMPILE_JAVA_TASK_NAME" value="compileReleaseJava" />
+        <option name="SOURCE_GEN_TASK_NAME" value="generateReleaseSources" />
         <option name="ALLOW_USER_CONFIGURATION" value="false" />
         <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
         <option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
@@ -23,26 +22,21 @@
     </facet>
   </component>
   <component name="NewModuleRootManager" inherit-compiler-output="false">
-    <output url="file://$MODULE_DIR$/build/classes/debug" />
+    <output url="file://$MODULE_DIR$/build/classes/release" />
     <exclude-output />
     <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/build/source/r/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/aidl/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/buildConfig/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/rs/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/res/rs/debug" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/r/test/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/aidl/test/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/buildConfig/test/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/rs/test/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/res/rs/test/debug" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/build/source/r/release" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/source/aidl/release" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/source/buildConfig/release" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/source/rs/release" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/res/rs/release" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/aidl" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/assets" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/jni" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/release/rs" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />