diff --git a/__mocks__/react-native-default-preference.js b/__mocks__/react-native-default-preference.js
index 9192a53..a3e47d7 100644
--- a/__mocks__/react-native-default-preference.js
+++ b/__mocks__/react-native-default-preference.js
@@ -16,58 +16,57 @@ const DefaultPreference = {
     return Promise.resolve();
   }),
   
-  getName: jest.fn((name) => {
-    return Promise.resolve(name || 'default'); // Return provided name or 'default'
+  getName: jest.fn(() => {
+    return Promise.resolve('default');
   }),
 
-  get: jest.fn((name, key) => {
-    const suite = getSuite(name || 'default');
+  get: jest.fn((key) => {
+    const suite = getSuite('default');
     return Promise.resolve(suite.hasOwnProperty(key) ? suite[key] : null);
   }),
 
-  set: jest.fn((name, key, value) => {
-    const suite = getSuite(name || 'default');
+  set: jest.fn((key, value) => {
+    const suite = getSuite('default');
     suite[key] = value;
     return Promise.resolve();
   }),
 
-  clear: jest.fn((name, key) => {
-    const suite = getSuite(name || 'default');
+  clear: jest.fn((key) => {
+    const suite = getSuite('default');
     delete suite[key];
     return Promise.resolve();
   }),
 
-  getMultiple: jest.fn((name, keys) => {
-    const suite = getSuite(name || 'default');
+  getMultiple: jest.fn((keys) => {
+    const suite = getSuite('default');
     const values = keys.map(key => (suite.hasOwnProperty(key) ? suite[key] : null));
     return Promise.resolve(values);
   }),
 
-  setMultiple: jest.fn((name, keyValuePairs) => {
-    const suite = getSuite(name || 'default');
+  setMultiple: jest.fn((keyValuePairs) => {
+    const suite = getSuite('default');
     Object.entries(keyValuePairs).forEach(([key, value]) => {
       suite[key] = value;
     });
     return Promise.resolve();
   }),
 
-  clearMultiple: jest.fn((name, keys) => {
-    const suite = getSuite(name || 'default');
+  clearMultiple: jest.fn((keys) => {
+    const suite = getSuite('default');
     keys.forEach(key => delete suite[key]);
     return Promise.resolve();
   }),
 
-  getAll: jest.fn((name) => {
-    const suite = getSuite(name || 'default');
+  getAll: jest.fn(() => {
+    const suite = getSuite('default');
     return Promise.resolve({ ...suite });
   }),
 
-  clearAll: jest.fn((name) => {
-    mockPreferences[name || 'default'] = {};
+  clearAll: jest.fn(() => {
+    mockPreferences['default'] = {};
     return Promise.resolve();
   }),
 
-  // Add reset method to clear all suites
   reset: jest.fn(() => {
     mockPreferences = {};
   }),
diff --git a/android/src/main/java/com/kevinresol/react_native_default_preference/RNDefaultPreferenceModule.java b/android/src/main/java/com/kevinresol/react_native_default_preference/RNDefaultPreferenceModule.java
index e4b8fc5..674c39d 100644
--- a/android/src/main/java/com/kevinresol/react_native_default_preference/RNDefaultPreferenceModule.java
+++ b/android/src/main/java/com/kevinresol/react_native_default_preference/RNDefaultPreferenceModule.java
@@ -57,8 +57,8 @@ public class RNDefaultPreferenceModule extends ReactContextBaseJavaModule {
             Preferences preferences = dataStore.data.first();
             Preferences.Key<String> stringKey = PreferencesKeys.stringKey(key);
             Preferences.Key<Boolean> booleanKey = PreferencesKeys.booleanKey(key);
-            String stringValue = preferences[stringKey];
-            Boolean booleanValue = preferences[booleanKey];
+            String stringValue = preferences.get(stringKey);
+            Boolean booleanValue = preferences.get(booleanKey);
             if (stringValue != null) {
                 promise.resolve(stringValue);
             } else if (booleanValue != null) {
diff --git a/index.test.ts b/index.test.ts
index 3e08671..501953f 100644
--- a/index.test.ts
+++ b/index.test.ts
@@ -37,7 +37,7 @@ describe.each(['ios', 'android'])('DefaultPreference on %s', (platform) => {
   beforeEach(() => {
     jest.clearAllMocks();
     mockDefaultPreference.reset(); // Reset all mock preferences
-    RNDefaultPreference.clearAll('default');
+    RNDefaultPreference.clearAll(); 
   });
 
   it('should set and get a value for the default instance', async () => {
@@ -47,7 +47,7 @@ describe.each(['ios', 'android'])('DefaultPreference on %s', (platform) => {
   });
 
   it('should set and get a value for the group instance', async () => {
-    await DefaultPreference.setGroupName('group.reactnative.example');
+    await DefaultPreference.setName('group.reactnative.example');
     await DefaultPreference.set('key1', 'value1');
     const value = await DefaultPreference.get('key1');
     expect(value).toBe('value1');
@@ -61,7 +61,7 @@ describe.each(['ios', 'android'])('DefaultPreference on %s', (platform) => {
   });
 
   it('should clear a value for the group instance', async () => {
-    await DefaultPreference.setGroupName('group.reactnative.example');
+    await DefaultPreference.setName('group.reactnative.example');
     await DefaultPreference.set('key2', 'value2');
     await DefaultPreference.clear('key2');
     const value = await DefaultPreference.get('key2');
@@ -103,7 +103,7 @@ describe.each(['ios', 'android'])('DefaultPreference on %s', (platform) => {
   });
 
   it('should set the name if a name is provided', async () => {
-    await DefaultPreference.setGroupName('group.reactnative.example');
+    await DefaultPreference.setName('group.reactnative.example');
     expect(RNDefaultPreference.setName).toHaveBeenCalledWith('group.reactnative.example');
   });
 
@@ -112,16 +112,16 @@ describe.each(['ios', 'android'])('DefaultPreference on %s', (platform) => {
   });
 
   it('should call setName if name is not default', async () => {
-    await DefaultPreference.setGroupName('customName');
+    await DefaultPreference.setName('customName');
     expect(RNDefaultPreference.setName).toHaveBeenCalledWith('customName');
   });
 
   it('should handle multiple group names correctly', async () => {
-    await DefaultPreference.setGroupName('group1');
+    await DefaultPreference.setName('group1');
     await DefaultPreference.set('key1', 'value1');
     const value1 = await DefaultPreference.get('key1');
 
-    await DefaultPreference.setGroupName('group2');
+    await DefaultPreference.setName('group2');
     await DefaultPreference.set('key1', 'value2');
     const value2 = await DefaultPreference.get('key1');
 
@@ -135,7 +135,7 @@ describe.each(['ios', 'android'])('DefaultPreference on %s', (platform) => {
     mockDefaultPreference.getName.mockResolvedValue(currentGroupName);
 
     // Act
-    await DefaultPreference.setGroupName(currentGroupName);
+    await DefaultPreference.setName(currentGroupName);
     const groupName = await DefaultPreference.getName();
 
     // Assert
diff --git a/index.ts b/index.ts
index bdb2162..8aeb4f3 100644
--- a/index.ts
+++ b/index.ts
@@ -17,35 +17,35 @@ class DefaultPreference {
   }
 
   static async get(key: string): Promise<string | number | boolean | null> {
-    return RNDefaultPreference.get(DefaultPreference.groupName, key);
+    return RNDefaultPreference.get(key);
   }
 
   static async set(key: string, value: string | number | boolean): Promise<void> {
-    return RNDefaultPreference.set(DefaultPreference.groupName, key, value);
+    return RNDefaultPreference.set(key, value);
   }
 
   static async clear(key: string): Promise<void> {
-    return RNDefaultPreference.clear(DefaultPreference.groupName, key);
+    return RNDefaultPreference.clear(key);
   }
 
   static async getMultiple(keys: string[]): Promise<(string | number | boolean | null)[]> {
-    return RNDefaultPreference.getMultiple(DefaultPreference.groupName, keys);
+    return RNDefaultPreference.getMultiple(keys);
   }
 
   static async setMultiple(data: RNDefaultPreferenceKeys): Promise<void> {
-    return RNDefaultPreference.setMultiple(DefaultPreference.groupName, data);
+    return RNDefaultPreference.setMultiple(data);
   }
 
   static async clearMultiple(keys: string[]): Promise<void> {
-    return RNDefaultPreference.clearMultiple(DefaultPreference.groupName, keys);
+    return RNDefaultPreference.clearMultiple(keys);
   }
 
   static async getAll(): Promise<RNDefaultPreferenceKeys> {
-    return RNDefaultPreference.getAll(DefaultPreference.groupName);
+    return RNDefaultPreference.getAll();
   }
 
   static async clearAll(): Promise<void> {
-    return RNDefaultPreference.clearAll(DefaultPreference.groupName);
+    return RNDefaultPreference.clearAll();
   }
 
   static async getName(): Promise<string> {
diff --git a/package.json b/package.json
index acbf01f..f2f0a0d 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
   },
   "homepage": "https://github.com/kevinresol/react-native-default-preference#readme",
   "devDependencies": {
+    "jest": "^27.0.0",
     "ts-jest": "^27.0.0",
     "@types/jest": "^27.0.0",
     "@testing-library/react-hooks": "^8.0.1",