diff --git a/Android/app/src/main/AndroidManifest.xml b/Android/app/src/main/AndroidManifest.xml
index f8c1bf6..d5eaf31 100644
--- a/Android/app/src/main/AndroidManifest.xml
+++ b/Android/app/src/main/AndroidManifest.xml
@@ -27,8 +27,8 @@
 
         <activity android:name=".MultiActivity" />
         <activity android:name=".ConnexionPlayerActivity" />
-        <!--
         <activity android:name=".ServerDetailsActivity" />
+        <!--
         <activity android:name=".CreateLobbyActivity" />
         <activity android:name=".QuizMultiActivity" />
         -->
diff --git a/Android/app/src/main/java/com/example/mathseduc/ConnexionPlayerActivity.kt b/Android/app/src/main/java/com/example/mathseduc/ConnexionPlayerActivity.kt
index eb9cff8..d928f94 100644
--- a/Android/app/src/main/java/com/example/mathseduc/ConnexionPlayerActivity.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/ConnexionPlayerActivity.kt
@@ -1,5 +1,6 @@
 package com.example.mathseduc
 
+import android.content.Intent
 import android.os.Bundle
 import android.widget.Toast
 import androidx.activity.ComponentActivity
@@ -10,6 +11,7 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
@@ -36,9 +38,9 @@ class ConnexionPlayerActivity : ComponentActivity() {
 
 @Composable
 fun ConnexionPlayerContent() {
-    var nickname by remember { mutableStateOf("") }
-    var password by remember { mutableStateOf("") }
-    var showDialog by remember { mutableStateOf(false) }
+    var nickname by rememberSaveable { mutableStateOf("") }
+    var password by rememberSaveable { mutableStateOf("") }
+    var showDialog by rememberSaveable { mutableStateOf(false) }
 
     val context = LocalContext.current
 
@@ -87,6 +89,9 @@ fun ConnexionPlayerContent() {
             onClick = {
                 val isAuthenticated = ControllerPlayer.authenticateUser(nickname, password)
                 if (isAuthenticated != -1) {
+                    val intent = Intent(context, MainActivity::class.java)
+                    context.startActivity(intent)
+
                     MainActivity.idPlayerConnected = isAuthenticated
                     Toast.makeText(context, "Connexion réussie, bienvenue $nickname !", Toast.LENGTH_SHORT).show()
                 } else {
diff --git a/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt b/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt
new file mode 100644
index 0000000..7bebd33
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt
@@ -0,0 +1,221 @@
+package com.example.mathseduc
+
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.OnBackPressedCallback
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.example.mathseduc.controllers.ControllerLobby
+import com.example.mathseduc.controllers.ControllerPlayer
+import com.example.mathseduc.controllers.ControllerUtiliser
+import com.example.mathseduc.models.Player
+import com.example.mathseduc.ui.theme.Colors
+import okhttp3.MultipartBody
+
+class ServerDetailsActivity : ComponentActivity() {
+
+    private var playerList: List<Player> = emptyList()
+    private val handler = Handler(Looper.getMainLooper())
+    private val refreshInterval: Long = 2000
+
+    private val onBackPressedCallback: OnBackPressedCallback = object : OnBackPressedCallback(true) {
+        override fun handleOnBackPressed() {
+            myBackPressed()
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            ServerDetailPage()
+        }
+
+        /*
+        onBackPressedDispatcher.addCallback(this, onBackPressedCallback)
+        //setContentView(R.layout.activity_server_details)
+
+        val serverName = intent.getStringExtra("serverName")
+
+        val serverNameTextView = findViewById<TextView>(R.id.titleServerDetails)
+        serverNameTextView.text = serverName
+
+        val lobbyId = intent.getIntExtra("lobbyId", -1)
+
+        if (savedInstanceState != null) {
+            playerList = savedInstanceState?.getParcelableArrayList("playerList") ?: emptyList()
+        } else {
+            val playerId = ControllerPlayer.getPlayersIdFromLobbyId(lobbyId)
+            if (playerId != null) {
+                playerList = playerId.mapNotNull { playerId ->
+                    ControllerPlayer.getPlayerInfoById(playerId.toString())
+                }
+            }
+        }
+
+        val listViewPlayers = findViewById<ListView>(R.id.listViewPlayers)
+        playerAdapter = PlayerAdapter(this, playerList)
+        listViewPlayers.adapter = playerAdapter
+
+        handler.postDelayed(refreshRunnable, refreshInterval)
+
+        val btnLaunchQuiz = findViewById<Button>(R.id.btnLaunchQuiz)
+
+        if (ControllerLobby.playerCreatorIdPresentInLobby(MainActivity.idPlayerConnected, lobbyId)) {
+            btnLaunchQuiz.visibility = View.VISIBLE
+            btnLaunchQuiz.setOnClickListener {
+
+                val formDataBuilder = MultipartBody.Builder().setType(MultipartBody.FORM)
+                formDataBuilder.addFormDataPart("launched", "1")
+
+                ControllerLobby.updateLobbyLauched(lobbyId,formDataBuilder)
+
+                val intent = Intent(this, QuizMultiActivity::class.java)
+                intent.putExtra("lobbyId", lobbyId)
+                startActivity(intent)
+            }
+        } else {
+            btnLaunchQuiz.visibility = View.GONE
+        }
+        */
+    }
+
+    private fun myBackPressed() {
+        val lobbyId = intent.getIntExtra("lobbyId", -1)
+
+        ControllerUtiliser.DeleteUtiliserForLobby(MainActivity.idPlayerConnected, lobbyId)
+
+        if (ControllerLobby.playerCreatorIdPresentInLobby(MainActivity.idPlayerConnected, lobbyId)) {
+            val idNextPlayerCreator = ControllerUtiliser.getIdNextPlayerInLobby(lobbyId)
+
+            if (idNextPlayerCreator == -1) {
+                ControllerLobby.deleteLobby(lobbyId)
+            } else {
+                val formDataBuilder = MultipartBody.Builder().setType(MultipartBody.FORM)
+                formDataBuilder.addFormDataPart("idplayercreator", idNextPlayerCreator.toString())
+                ControllerLobby.updateLobbyIdCreatorLobby(lobbyId, formDataBuilder)
+            }
+        }
+        //handler.removeCallbacks(refreshRunnable)
+        finish()
+    }
+
+    @Composable
+    fun ServerDetailPage() {
+        val context = LocalContext.current
+
+        val lobbyName = intent.getStringExtra("serverName")
+        val lobbyId = intent.getIntExtra("lobbyId",-1)
+        var isCreator = false
+
+        var playerListInfos: List<Player> by rememberSaveable { mutableStateOf(emptyList()) }
+        var playerList by rememberSaveable { mutableStateOf(ControllerPlayer.getPlayersIdFromLobbyId(lobbyId.toString()) ?: emptyList()) }
+        var refreshState by rememberSaveable { mutableStateOf(true) }
+
+        DisposableEffect(refreshState) {
+            val handler = Handler(Looper.getMainLooper())
+            val refreshRunnable = object : Runnable {
+                override fun run() {
+                    playerList = ControllerPlayer.getPlayersIdFromLobbyId(lobbyId.toString())!!
+                    handler.postDelayed(this, 2000)
+
+                    if (playerList != null) {
+                        playerListInfos = playerList.mapNotNull { playerId ->
+                            ControllerPlayer.getPlayerInfoById(playerId.toString())
+                        }
+                    }
+
+                    isCreator = ControllerLobby.playerCreatorIdPresentInLobby(MainActivity.idPlayerConnected, lobbyId!!.toInt())
+
+                    if(ControllerLobby.lobbyIsLaunched(lobbyId!!.toInt())){
+                        //val intent = Intent(this@ServerDetailsActivity, QuizMultiActivity::class.java)
+                        //intent.putExtra("lobbyId", lobbyId)
+                        //startActivity(intent)
+                        Toast.makeText(context, "TOTOGOGO", Toast.LENGTH_SHORT).show()
+                        return
+                    }
+                }
+            }
+
+            handler.postDelayed(refreshRunnable, 2000)
+
+            onDispose {
+                handler.removeCallbacks(refreshRunnable)
+            }
+        }
+
+        val modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp)
+
+        Column(
+            modifier = modifier,
+            verticalArrangement = Arrangement.Center,
+            horizontalAlignment = Alignment.CenterHorizontally
+        ) {
+            Text(
+                text = lobbyName!!,
+                color = Color.White,
+                fontWeight = FontWeight.Bold
+            )
+            LazyColumn(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .weight(0.75f)
+            ) {
+                items(playerListInfos) { player ->
+                    Text(
+                        text = player.nickname,
+                        fontSize = 18.sp,
+                        color = Colors.White,
+                        modifier = Modifier.weight(1f)
+                    )
+                }
+            }
+            Button(
+                onClick = {
+                    Toast.makeText(context, "TOTOGOGOCREATOR", Toast.LENGTH_SHORT).show()
+                },
+                shape = RoundedCornerShape(15),
+                colors = ButtonDefaults.buttonColors(Colors.Green),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(48.dp)
+            ) {
+                Text(
+                    text = "LAUNCH",
+                    color = Color.White,
+                    fontWeight = FontWeight.Bold
+                )
+            }
+        }
+    }
+}
diff --git a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerPlayer.kt b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerPlayer.kt
index 57c41a0..81d4d39 100644
--- a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerPlayer.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerPlayer.kt
@@ -13,7 +13,7 @@ import java.io.IOException
 class ControllerPlayer {
     companion object {
 
-        fun getPlayersIdFromLobbyId(lobbyId: Int): List<Int>? {
+        fun getPlayersIdFromLobbyId(lobbyId: String?): List<Int>? {
             val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
             StrictMode.setThreadPolicy(policy)
 
diff --git a/Android/app/src/main/java/com/example/mathseduc/models/Lobby.kt b/Android/app/src/main/java/com/example/mathseduc/models/Lobby.kt
index 73b8e81..00bbf22 100644
--- a/Android/app/src/main/java/com/example/mathseduc/models/Lobby.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/models/Lobby.kt
@@ -1,5 +1,8 @@
 package com.example.mathseduc.models
 
+import android.os.Parcel
+import android.os.Parcelable
+
 data class Lobby(
     val id: Int,
     val name: String,
@@ -9,4 +12,40 @@ data class Lobby(
     val idchapter: Int,
     val difficulty: Int,
     val launched: Int
-)
\ No newline at end of file
+) : Parcelable {
+    constructor(parcel: Parcel) : this(
+        parcel.readInt(),
+        parcel.readString() ?: "",
+        parcel.readString() ?: "",
+        parcel.readInt(),
+        parcel.readInt(),
+        parcel.readInt(),
+        parcel.readInt(),
+        parcel.readInt()
+    )
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeInt(id)
+        parcel.writeString(name)
+        parcel.writeString(password)
+        parcel.writeInt(nbplayers)
+        parcel.writeInt(idplayercreator)
+        parcel.writeInt(idchapter)
+        parcel.writeInt(difficulty)
+        parcel.writeInt(launched)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<Lobby> {
+        override fun createFromParcel(parcel: Parcel): Lobby {
+            return Lobby(parcel)
+        }
+
+        override fun newArray(size: Int): Array<Lobby?> {
+            return arrayOfNulls(size)
+        }
+    }
+}
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/models/Player.kt b/Android/app/src/main/java/com/example/mathseduc/models/Player.kt
index b094e32..dc607a5 100644
--- a/Android/app/src/main/java/com/example/mathseduc/models/Player.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/models/Player.kt
@@ -7,30 +7,4 @@ data class Player(
     val id: Int,
     val nickname: String,
     val password: String
-) : Parcelable {
-    constructor(parcel: Parcel) : this(
-        parcel.readInt(),
-        parcel.readString() ?: "",
-        parcel.readString() ?: ""
-    )
-
-    override fun writeToParcel(parcel: Parcel, flags: Int) {
-        parcel.writeInt(id)
-        parcel.writeString(nickname)
-        parcel.writeString(password)
-    }
-
-    override fun describeContents(): Int {
-        return 0
-    }
-
-    companion object CREATOR : Parcelable.Creator<Player> {
-        override fun createFromParcel(parcel: Parcel): Player {
-            return Player(parcel)
-        }
-
-        override fun newArray(size: Int): Array<Player?> {
-            return arrayOfNulls(size)
-        }
-    }
-}
\ No newline at end of file
+)
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/ui/activity_multi.kt b/Android/app/src/main/java/com/example/mathseduc/ui/activity_multi.kt
index 967ec87..e7396b9 100644
--- a/Android/app/src/main/java/com/example/mathseduc/ui/activity_multi.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/ui/activity_multi.kt
@@ -2,6 +2,8 @@ package com.example.mathseduc.ui
 import android.content.Intent
 import android.os.Handler
 import android.os.Looper
+import android.util.Log
+import android.widget.Toast
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Box
@@ -24,7 +26,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -32,21 +34,23 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import com.example.mathseduc.CreateLobbyActivity
 import com.example.mathseduc.MainActivity
+import com.example.mathseduc.ServerDetailsActivity
 import com.example.mathseduc.controllers.ControllerChapter
 import com.example.mathseduc.controllers.ControllerLobby
+import com.example.mathseduc.controllers.ControllerUtiliser
 import com.example.mathseduc.models.Lobby
 import com.example.mathseduc.ui.theme.Colors
+import okhttp3.MultipartBody
 
 
 @Composable
 fun MultiPage() {
     val context = LocalContext.current
-    var selectedItem by remember { mutableStateOf<Lobby?>(null) }
+    var selectedItem by rememberSaveable { mutableStateOf<Lobby?>(null) }
 
-    var lobbyList by remember { mutableStateOf(ControllerLobby.getLobbies() ?: emptyList()) }
-    var refreshState by remember { mutableStateOf(true) }
+    var lobbyList by rememberSaveable { mutableStateOf(ControllerLobby.getLobbies() ?: emptyList()) }
+    var refreshState by rememberSaveable { mutableStateOf(true) }
 
     DisposableEffect(refreshState) {
         val handler = Handler(Looper.getMainLooper())
@@ -58,7 +62,7 @@ fun MultiPage() {
             }
         }
 
-        handler.postDelayed(refreshRunnable, 3000)
+        handler.post(refreshRunnable)
 
         onDispose {
             handler.removeCallbacks(refreshRunnable)
@@ -127,6 +131,22 @@ fun MultiPage() {
                 items(lobbyList ?: emptyList()) { lobby ->
                     LobbyItem(lobby, selectedItem == lobby) {
                         selectedItem = it
+
+                        if (ControllerLobby.getNbPlayerInLobby(selectedItem!!.id) < selectedItem!!.nbplayers){
+                            val formDataBuilder = MultipartBody.Builder().setType(MultipartBody.FORM)
+                            formDataBuilder.addFormDataPart("idplayer", MainActivity.idPlayerConnected.toString())
+                            formDataBuilder.addFormDataPart("idlobby", selectedItem!!.id.toString())
+                            formDataBuilder.addFormDataPart("playertime", "0")
+
+                            ControllerUtiliser.createUtiliserByIdLobby(formDataBuilder)
+
+                            val intent = Intent(context, ServerDetailsActivity::class.java)
+                            intent.putExtra("serverName", selectedItem!!.name)
+                            intent.putExtra("lobbyId", selectedItem!!.id)
+                            context.startActivity(intent)
+                        } else {
+                            Toast.makeText(context, "Oh nan, le serveur est déjà plein ! Réessayer plus tard.", Toast.LENGTH_SHORT).show()
+                        }
                     }
                 }
             }