diff --git a/.gitignore b/.gitignore
index 649e5698..89b13a5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,8 @@
 #
 
 # Ignore project resources
-main-gdxapp-desktop/warpcore.xml
+gdxapp4d-boot-desktop/warpcore.xml
+gdxapp4d-boot-desktop/etc
 
 # Ignore maven resources
 target
diff --git a/gdxapp4d-vrgem4/src/main/java/love/distributedrebirth/gdxapp4d/vrgem4/VrGem4LocaleServiceImpl.java b/gdxapp4d-vrgem4/src/main/java/love/distributedrebirth/gdxapp4d/vrgem4/VrGem4LocaleServiceImpl.java
index c40910eb..dd4cebe2 100644
--- a/gdxapp4d-vrgem4/src/main/java/love/distributedrebirth/gdxapp4d/vrgem4/VrGem4LocaleServiceImpl.java
+++ b/gdxapp4d-vrgem4/src/main/java/love/distributedrebirth/gdxapp4d/vrgem4/VrGem4LocaleServiceImpl.java
@@ -2,7 +2,9 @@ package love.distributedrebirth.gdxapp4d.vrgem4;
 
 import java.io.File;
 import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.Locale;
 import java.util.Properties;
 
@@ -37,11 +39,26 @@ public class VrGem4LocaleServiceImpl implements VrGem4LocaleService {
 		properties = new Properties();
 	}
 	
+	private void save() {
+		File propFile = new File(warpBase.getWarpshipHome(), "etc/locale.xml");
+		try {
+			properties.storeToXML(new FileOutputStream(propFile), "Locales", StandardCharsets.UTF_8);
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+	
 	@Activate
 	void open() {
 		log.debug(this, SystemGdxLog.ACTIVATE);
 		
-		File propFile = new File(warpBase.getWarpshipHome(), "etc/locale.properties");
+		File etcFile = new File(warpBase.getWarpshipHome(), "etc");
+		if (!etcFile.exists()) {
+			etcFile.mkdir();
+		}
+		
+		File propFile = new File(warpBase.getWarpshipHome(), "etc/locale.xml");
 		if (propFile.exists()) {
 			try {
 				properties.loadFromXML(new FileInputStream(propFile));
@@ -59,8 +76,8 @@ public class VrGem4LocaleServiceImpl implements VrGem4LocaleService {
 	
 	@Override
 	public void setTextLocaleI18n(String isoCode) {
-		// TODO Auto-generated method stub
-		
+		properties.put(LocaleKey.TEXT_LOCALE.name(), isoCode);
+		save();
 	}
 	
 	@Override
diff --git a/gdxapp4d-vrsys5/src/main/java/love/distributedrebirth/gdxapp4d/vrsys5/VrSys5Component.java b/gdxapp4d-vrsys5/src/main/java/love/distributedrebirth/gdxapp4d/vrsys5/VrSys5Component.java
index f460c0d2..4b19ea73 100644
--- a/gdxapp4d-vrsys5/src/main/java/love/distributedrebirth/gdxapp4d/vrsys5/VrSys5Component.java
+++ b/gdxapp4d-vrsys5/src/main/java/love/distributedrebirth/gdxapp4d/vrsys5/VrSys5Component.java
@@ -12,6 +12,7 @@ import love.distributedrebirth.gdxapp4d.vrgem4.service.deskapp.DeskAppLauncher;
 import love.distributedrebirth.gdxapp4d.vrgem4.service.deskapp.DeskAppMenuSection;
 import love.distributedrebirth.gdxapp4d.vrsys5.apps.BasicConsoleDeskApp;
 import love.distributedrebirth.gdxapp4d.vrsys5.apps.ImGuiDeskApp;
+import love.distributedrebirth.gdxapp4d.vrsys5.apps.SettingLocaleDeskApp;
 
 @Component
 public class VrSys5Component {
@@ -27,10 +28,12 @@ public class VrSys5Component {
 	
 	private final DeskAppLauncher basicLauncher;
 	private final DeskAppLauncher imguiLauncher;
+	private final DeskAppLauncher localeLauncher;
 	
 	public VrSys5Component() {
 		basicLauncher = new DeskAppLauncher(DeskAppMenuSection.SYSTEM, "Basic Console", () -> new BasicConsoleDeskApp());
 		imguiLauncher = new DeskAppLauncher(DeskAppMenuSection.PROGRAMMING, "ImGui Demo", () -> new ImGuiDeskApp());
+		localeLauncher = new DeskAppLauncher(DeskAppMenuSection.SYSTEM, "Locale", () -> new SettingLocaleDeskApp(localeService));
 	}
 	
 	@Activate
@@ -38,6 +41,7 @@ public class VrSys5Component {
 		log.debug(this, SystemGdxLog.ACTIVATE);
 		deskAppService.installDeskApp(basicLauncher);
 		deskAppService.installDeskApp(imguiLauncher);
+		deskAppService.installDeskApp(localeLauncher);
 	}
 	
 	@Deactivate
@@ -45,5 +49,6 @@ public class VrSys5Component {
 		log.debug(this, SystemGdxLog.DEACTIVATE);
 		deskAppService.removeDeskApp(basicLauncher);
 		deskAppService.removeDeskApp(imguiLauncher);
+		deskAppService.removeDeskApp(localeLauncher);
 	}
 }
diff --git a/gdxapp4d-vrsys5/src/main/java/love/distributedrebirth/gdxapp4d/vrsys5/apps/SettingLocaleDeskApp.java b/gdxapp4d-vrsys5/src/main/java/love/distributedrebirth/gdxapp4d/vrsys5/apps/SettingLocaleDeskApp.java
new file mode 100644
index 00000000..ebece605
--- /dev/null
+++ b/gdxapp4d-vrsys5/src/main/java/love/distributedrebirth/gdxapp4d/vrsys5/apps/SettingLocaleDeskApp.java
@@ -0,0 +1,51 @@
+package love.distributedrebirth.gdxapp4d.vrsys5.apps;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import imgui.ImGui;
+import imgui.type.ImInt;
+import love.distributedrebirth.bassboonyd.BãßBȍőnAuthorInfoʸᴰ;
+import love.distributedrebirth.gdxapp4d.vrgem4.service.VrGem4LocaleService;
+import love.distributedrebirth.gdxapp4d.vrgem4.service.deskapp.AbstractDeskApp;
+import love.distributedrebirth.gdxapp4d.vrgem4.service.deskapp.DeskAppContourSection;
+import love.distributedrebirth.gdxapp4d.vrgem4.service.deskapp.DeskAppRenderer;
+
+@BãßBȍőnAuthorInfoʸᴰ(name = "willemtsade", copyright = "©Δ∞ 仙上主天")
+public class SettingLocaleDeskApp extends AbstractDeskApp implements DeskAppRenderer {
+	
+	private final VrGem4LocaleService localeService;
+	private ImInt selectedLocale = new ImInt();
+	private String[] localeItems;
+	
+	public SettingLocaleDeskApp(VrGem4LocaleService localeService) {
+		this.localeService = localeService;
+	}
+	
+	public void create() {
+		getContours().setTitle("Locale Settings");
+		getContours().registrateContour(DeskAppContourSection.MAIN, this);
+		
+		List<String> bases = new ArrayList<>();
+		bases.add("en");
+		bases.add("hiero");
+		localeItems = new String[bases.size()];
+		localeItems = bases.toArray(localeItems);
+		
+		int selected = bases.indexOf(localeService.getTextLocaleI18n());
+		if (selected != -1) {
+			selectedLocale.set(selected);
+		}
+	}
+
+	@Override
+	public void render() {
+		ImGui.text("Select the locale to use;");
+		
+		boolean changedLoc = ImGui.combo("TextLocale", selectedLocale, localeItems);
+		if (changedLoc) {
+			String newLoc = localeItems[selectedLocale.get()];
+			localeService.setTextLocaleI18n(newLoc);
+		}
+	}
+}