diff --git a/frontend/src/config/i18n.ts b/frontend/src/config/i18n.ts
new file mode 100644
index 00000000..f6e709f0
--- /dev/null
+++ b/frontend/src/config/i18n.ts
@@ -0,0 +1,124 @@
+import { I18n } from 'i18n-js';
+import * as Localization from 'expo-localization';
+import AsyncStorage from '@react-native-async-storage/async-storage';
+
+const i18n = new I18n({
+  en: {
+    welcome: 'Welcome',
+    home: 'Home',
+    wallet: 'Wallet',
+    citizens: 'Citizens',
+    referral: 'Referral',
+    profile: 'Profile',
+    settings: 'Settings',
+    notifications: 'Notifications',
+    editProfile: 'Edit Profile',
+    changePassword: 'Change Password',
+    signOut: 'Sign Out',
+    language: 'Language',
+    darkMode: 'Dark Mode',
+    // Add more translations
+  },
+  'ku-sorani': {
+    welcome: 'بەخێربێیت',
+    home: 'سەرەکی',
+    wallet: 'جزدان',
+    citizens: 'هاوڵاتیان',
+    referral: 'ئاماژە',
+    profile: 'پرۆفایل',
+    settings: 'ڕێکخستنەکان',
+    notifications: 'ئاگادارکردنەوەکان',
+    editProfile: 'دەستکاری پرۆفایل',
+    changePassword: 'گۆڕینی وشەی نهێنی',
+    signOut: 'چوونەدەرەوە',
+    language: 'زمان',
+    darkMode: 'دۆخی تاریک',
+  },
+  'ku-kurmanji': {
+    welcome: 'Bi xêr hatî',
+    home: 'Malper',
+    wallet: 'Berîk',
+    citizens: 'Hemwelatî',
+    referral: 'Referans',
+    profile: 'Profîl',
+    settings: 'Mîhengên',
+    notifications: 'Agahdarî',
+    editProfile: 'Profîlê Biguherîne',
+    changePassword: 'Şîfreyê Biguherîne',
+    signOut: 'Derkeve',
+    language: 'Ziman',
+    darkMode: 'Moda Tarî',
+  },
+  ar: {
+    welcome: 'مرحبا',
+    home: 'الرئيسية',
+    wallet: 'المحفظة',
+    citizens: 'المواطنون',
+    referral: 'الإحالة',
+    profile: 'الملف الشخصي',
+    settings: 'الإعدادات',
+    notifications: 'الإشعارات',
+    editProfile: 'تعديل الملف الشخصي',
+    changePassword: 'تغيير كلمة المرور',
+    signOut: 'تسجيل الخروج',
+    language: 'اللغة',
+    darkMode: 'الوضع الداكن',
+  },
+  tr: {
+    welcome: 'Hoş geldiniz',
+    home: 'Ana Sayfa',
+    wallet: 'Cüzdan',
+    citizens: 'Vatandaşlar',
+    referral: 'Yönlendirme',
+    profile: 'Profil',
+    settings: 'Ayarlar',
+    notifications: 'Bildirimler',
+    editProfile: 'Profili Düzenle',
+    changePassword: 'Şifre Değiştir',
+    signOut: 'Çıkış Yap',
+    language: 'Dil',
+    darkMode: 'Karanlık Mod',
+  },
+  fa: {
+    welcome: 'خوش آمدید',
+    home: 'خانه',
+    wallet: 'کیف پول',
+    citizens: 'شهروندان',
+    referral: 'ارجاع',
+    profile: 'پروفایل',
+    settings: 'تنظیمات',
+    notifications: 'اطلاعیه‌ها',
+    editProfile: 'ویرایش پروفایل',
+    changePassword: 'تغییر رمز عبور',
+    signOut: 'خروج',
+    language: 'زبان',
+    darkMode: 'حالت تاریک',
+  },
+});
+
+// Set default locale
+i18n.locale = Localization.locale;
+i18n.enableFallback = true;
+i18n.defaultLocale = 'en';
+
+export const loadSavedLanguage = async () => {
+  try {
+    const savedLang = await AsyncStorage.getItem('appLanguage');
+    if (savedLang) {
+      i18n.locale = savedLang;
+    }
+  } catch (error) {
+    console.error('Error loading language:', error);
+  }
+};
+
+export const saveLanguage = async (languageCode: string) => {
+  try {
+    await AsyncStorage.setItem('appLanguage', languageCode);
+    i18n.locale = languageCode;
+  } catch (error) {
+    console.error('Error saving language:', error);
+  }
+};
+
+export default i18n;
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diff --git a/frontend/src/contexts/ThemeContext.tsx b/frontend/src/contexts/ThemeContext.tsx
new file mode 100644
index 00000000..fb96d76b
--- /dev/null
+++ b/frontend/src/contexts/ThemeContext.tsx
@@ -0,0 +1,83 @@
+import React, { createContext, useState, useContext, useEffect } from 'react';
+import AsyncStorage from '@react-native-async-storage/async-storage';
+
+interface ThemeContextType {
+  isDarkMode: boolean;
+  toggleTheme: () => void;
+  colors: {
+    background: string;
+    card: string;
+    text: string;
+    textSecondary: string;
+    primary: string;
+    border: string;
+    error: string;
+  };
+}
+
+const lightColors = {
+  background: '#F8F9FA',
+  card: '#FFFFFF',
+  text: '#1F2937',
+  textSecondary: '#6B7280',
+  primary: '#EE2A35',
+  border: '#E5E7EB',
+  error: '#EF4444',
+};
+
+const darkColors = {
+  background: '#111827',
+  card: '#1F2937',
+  text: '#F9FAFB',
+  textSecondary: '#9CA3AF',
+  primary: '#EE2A35',
+  border: '#374151',
+  error: '#F87171',
+};
+
+const ThemeContext = createContext<ThemeContextType | undefined>(undefined);
+
+export function ThemeProvider({ children }: { children: React.ReactNode }) {
+  const [isDarkMode, setIsDarkMode] = useState(false);
+
+  useEffect(() => {
+    loadTheme();
+  }, []);
+
+  const loadTheme = async () => {
+    try {
+      const savedTheme = await AsyncStorage.getItem('appTheme');
+      if (savedTheme === 'dark') {
+        setIsDarkMode(true);
+      }
+    } catch (error) {
+      console.error('Error loading theme:', error);
+    }
+  };
+
+  const toggleTheme = async () => {
+    const newMode = !isDarkMode;
+    setIsDarkMode(newMode);
+    try {
+      await AsyncStorage.setItem('appTheme', newMode ? 'dark' : 'light');
+    } catch (error) {
+      console.error('Error saving theme:', error);
+    }
+  };
+
+  const colors = isDarkMode ? darkColors : lightColors;
+
+  return (
+    <ThemeContext.Provider value={{ isDarkMode, toggleTheme, colors }}>
+      {children}
+    </ThemeContext.Provider>
+  );
+}
+
+export function useTheme() {
+  const context = useContext(ThemeContext);
+  if (context === undefined) {
+    throw new Error('useTheme must be used within a ThemeProvider');
+  }
+  return context;
+}
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