diff --git a/app/src/main/java/net/DeltaWings/Android/Hangman/GameActivity.java b/app/src/main/java/net/DeltaWings/Android/Hangman/GameActivity.java
index ad35f18..4f39e9e 100644
--- a/app/src/main/java/net/DeltaWings/Android/Hangman/GameActivity.java
+++ b/app/src/main/java/net/DeltaWings/Android/Hangman/GameActivity.java
@@ -1,7 +1,9 @@
 package net.DeltaWings.Android.Hangman;
 
 import android.animation.ObjectAnimator;
+import android.content.Context;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.os.Bundle;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AlertDialog;
@@ -15,13 +17,17 @@ import android.widget.TextView;
 import net.DeltaWings.Android.Hangman.Util.ConnectionUtil;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Objects;
 
 public class GameActivity extends AppCompatActivity {
 
 	private AlertDialog.Builder builder;
 	private ConnectionUtil co;
+	private TextView textView;
 	private List<String> letters = new ArrayList<>();
+	private Context context = this;
 
 	@Override
 	public void onBackPressed() {
@@ -41,6 +47,7 @@ public class GameActivity extends AppCompatActivity {
 		MainActivity.setTheme(this);
 		setContentView(R.layout.game_activity);
 
+		textView = findViewById(R.id.textView2);
 		ProgressBar progressBar = findViewById(R.id.progressBar);
 		EditText input = findViewById(R.id.input);
 
@@ -89,19 +96,65 @@ public class GameActivity extends AppCompatActivity {
 			public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 				EditText txt = ((EditText) v);
 				String text = txt.getText().toString();
-				if(text.length() == 1) {
-					log("Letter : " + text);
+
+
+				if(text.length() == 1) { //is letter
 					if(letters.contains(text)) {
 						log("Letter : " + text + "Already in");
 					} else {
-						log("Sending letter " + text);
+						log("Sending letter : \"" + text +"\"");
+
+						//preparing datas
+						HashMap<String, String> temp = new HashMap<>();
+						temp.put("query", "letter");
+						temp.put("letter", text);
+						co.sendData(temp);
+
+						//get result
+						HashMap<String, String> result = co.getDatas();
+						if(Objects.equals(result.get("status"), "won")) { //check if player won
+							//Game Won
+
+							DialogInterface.OnClickListener clickListener = new DialogInterface.OnClickListener() {
+								@Override
+								public void onClick(DialogInterface dialog, int which) {
+									switch (which){
+										case DialogInterface.BUTTON_POSITIVE:
+											//Close Connection
+											Intent intent = getIntent();
+											overridePendingTransition(0, 0);
+											intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
+											finish();
+
+											overridePendingTransition(0, 0);
+											startActivity(intent);
+											break;
+										default:
+											finish();
+											overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
+											break;
+									}
+								}
+							};
+
+							new AlertDialog.Builder(context)
+									.setMessage("You won!")
+									.setPositiveButton("Restart", clickListener)
+									.setNegativeButton("Quit", clickListener)
+									.show();
+						}
 						//Send Letter
 						txt.setText("", TextView.BufferType.EDITABLE);
 					}
 				} else if(text.length() > 1) {
 					log("Word : " + text);
-					//Send Letter
+					HashMap<String, String> temp = new HashMap<>();
+					temp.put("query", "word");
+					temp.put("letter", text);
+					co.sendData(temp);
+
 					txt.setText("", TextView.BufferType.EDITABLE);
+
 				}
 				return false;
 			}
@@ -114,7 +167,7 @@ public class GameActivity extends AppCompatActivity {
 
 
 		//Return Builder
-		builder = new AlertDialog.Builder(this);
+		builder = new AlertDialog.Builder(context);
 
 		builder.setMessage("Do you really want to quit your game ?")
 				.setPositiveButton("Yes", dialogClickListener)
diff --git a/app/src/main/java/net/DeltaWings/Android/Hangman/Util/ConnectionUtil.java b/app/src/main/java/net/DeltaWings/Android/Hangman/Util/ConnectionUtil.java
index 34ec406..dfdb699 100644
--- a/app/src/main/java/net/DeltaWings/Android/Hangman/Util/ConnectionUtil.java
+++ b/app/src/main/java/net/DeltaWings/Android/Hangman/Util/ConnectionUtil.java
@@ -1,8 +1,8 @@
 package net.DeltaWings.Android.Hangman.Util;
 
-import java.util.List;
 import net.DeltaWings.Android.Hangman.MainActivity;
-import net.DeltaWings.Android.Hangman.Util.GameUtil;
+
+import java.util.HashMap;
 
 public class ConnectionUtil {
 
@@ -36,7 +36,7 @@ public class ConnectionUtil {
 		
 	}
 
-	public boolean sendData(List<Object> query) {
+	public boolean sendData(HashMap<String, String> query) {
 		if(single) return gameUtil.datasReader(query);
 		else {
 			//return state
@@ -44,7 +44,7 @@ public class ConnectionUtil {
 		return false;
 	}
 
-	public Object getData() {
+	public HashMap<String, String> getDatas() {
 		if(single) {
 			return gameUtil.datasSender();
 		} else {
@@ -53,3 +53,4 @@ public class ConnectionUtil {
 		return null;
 	}
 }
+
diff --git a/app/src/main/java/net/DeltaWings/Android/Hangman/Util/GameUtil.java b/app/src/main/java/net/DeltaWings/Android/Hangman/Util/GameUtil.java
index f502397..c12aa39 100644
--- a/app/src/main/java/net/DeltaWings/Android/Hangman/Util/GameUtil.java
+++ b/app/src/main/java/net/DeltaWings/Android/Hangman/Util/GameUtil.java
@@ -1,25 +1,76 @@
 package net.DeltaWings.Android.Hangman.Util;
 
+import android.util.Log;
+import android.widget.Toast;
+
+import net.DeltaWings.Android.Hangman.MainActivity;
+
 import java.util.ArrayList;
-import java.util.List;
+import java.util.HashMap;
+import java.util.Objects;
 
 public class GameUtil {
 
-	private String word = null;
-	private List<String> letters = new ArrayList<>();
-	private List<Object> datas = new ArrayList<>();
+	private String word = "example";
+	private ArrayList<String> res = new ArrayList<>();
+	private ArrayList<String> letters = new ArrayList<>();
+	private HashMap<String, String> returning = new HashMap<>();
+	private String tag = "GameUtil";
 
 	public GameUtil() {
-
+		//Generate Word
+		for (int i = 0; i < word.length(); i++) {
+			res.add("_");
+		}
+		Log.v(tag, res.toString());
 	}
 
-	public boolean datasReader(List<Object> datas) {
+	public boolean datasReader(HashMap<String, String> datas) {
+		returning.clear();
+		String query = datas.get("query");
+		if(Objects.equals(query, "letter")) {
+			Log.v(tag, "1");
+			Log.v(tag, "1");
+			String letter = datas.get("letter");
+			if(word.contains(letter)) {
+				Log.v(tag, "2");
+				for (int i = 0; i < word.length(); i++) {
+					if(Objects.equals(String.valueOf(word.charAt(i)), letter)) {
+						res.set(i, letter);
+					}
+				}
+				if(!res.contains("_")) {
+					//winner
+					returning.put("status", "won");
+				}
+			}
+			returning.put("newWord", res.toString());
+		} else if (Objects.equals(query, "word")) {
+			if(Objects.equals(datas.get("word"), word)) {
+				returning.put("status", "won");
 
+			}
+		}
+		Log.v(tag, returning.toString());
+		Toast.makeText(MainActivity.getInstance(), returning.get("newWord"), Toast.LENGTH_SHORT).show();
 		return true;
 	}
 
-	public List<Object> datasSender() {
-
-		return null;
+	public HashMap<String, String> datasSender() {
+		return returning;
 	}
-}
\ No newline at end of file
+}
+
+/*
+Trames sended to app :
+	status = status de la game (won, Integer of tries left, lost)
+	lettersUsed = String of letters used (,)
+	newWord = _________
+
+
+Trames sended from app:
+	word = word || letter = letter
+	userId = userId
+	username = username
+	ip = ip
+ */
\ No newline at end of file
diff --git a/app/src/main/res/layout/game_activity.xml b/app/src/main/res/layout/game_activity.xml
index 85277bb..98f0619 100644
--- a/app/src/main/res/layout/game_activity.xml
+++ b/app/src/main/res/layout/game_activity.xml
@@ -74,7 +74,6 @@
             android:layout_height="wrap_content"
             android:fontFamily="sans-serif-condensed"
             android:text="________________"
-            android:windowSoftInputMode="adjustResize|adjustPan"
             android:textAlignment="center"
             android:textSize="36sp"
             android:textStyle="bold"/>