diff --git a/composeApp/src/commonMain/kotlin/mg/dot/feufaro/ui/MidiControlPanel.kt b/composeApp/src/commonMain/kotlin/mg/dot/feufaro/ui/MidiControlPanel.kt
index d66a21a..669fe1f 100644
--- a/composeApp/src/commonMain/kotlin/mg/dot/feufaro/ui/MidiControlPanel.kt
+++ b/composeApp/src/commonMain/kotlin/mg/dot/feufaro/ui/MidiControlPanel.kt
@@ -61,6 +61,7 @@ fun MidiControlPanel(
 
     var showSATBTools by remember { mutableStateOf(false) }
     var expandedCtl by remember { mutableStateOf(false) }
+    val platform = getPlatform().name
     LaunchedEffect(tempo) {
         currentBpm = mediaPlayer.getCurrentBPM()
     }
@@ -91,7 +92,7 @@ fun MidiControlPanel(
         ) {
             Column(
                 modifier = modifier
-                    .fillMaxWidth(if (getPlatform().name.startsWith("Android")) 0.9f else 0.6f)
+                    .fillMaxWidth(if (platform.startsWith("Android")) 1f else 0.6f)
                     .padding(16.dp)
                     .background(color = Color.Gray.copy(alpha = 0.5f), shape = RoundedCornerShape(size = 5.dp)),
                 horizontalAlignment = Alignment.CenterHorizontally
@@ -214,7 +215,7 @@ fun MidiControlPanel(
                                                     slideInHorizontally { -it } + fadeIn() togetherWith slideOutHorizontally { it } + fadeOut()
                                                 }
                                             },
-                                            modifier = Modifier.padding(horizontal = 4.dp)
+                                            modifier = Modifier.padding(horizontal = 2.dp)
                                         ) { displayedBpm ->
                                             val isCenter = displayedBpm == currentBpmInt
                                             Text(
@@ -225,7 +226,7 @@ fun MidiControlPanel(
                                                 modifier = Modifier
                                                     .clip(CircleShape)
                                                     .clickable(enabled = !isCenter) { updateTempoToBpm(displayedBpm) }
-                                                    .padding(horizontal = 4.dp)
+                                                    .padding(horizontal = 2.dp)
                                             )
                                         }
                                     }
@@ -333,7 +334,26 @@ fun MidiControlPanel(
                     }
                     Spacer(modifier = Modifier.weight(1f))
 
-                    Column {
+                    if(platform.startsWith("Android")) {
+                        Column(
+                        modifier = Modifier.wrapContentWidth(),
+                        horizontalAlignment = Alignment.CenterHorizontally
+                    ) {
+                            IconButton(
+                                onClick = onPlayPauseClick,
+                                modifier = Modifier.size(48.dp).background(MaterialTheme.colorScheme.primary, CircleShape)
+                            ) {
+                                Icon(
+                                    imageVector = if (isPause) Icons.Filled.PlayArrow else Icons.Filled.Pause,
+                                    contentDescription = "Pla",
+                                    tint = Color.White
+                                )
+                            }
+                        }
+
+                        Spacer(modifier = Modifier.weight(1f))
+
+                        Column {
                         IconButton(
                             onClick = {
                                 isPianoSelected = !isPianoSelected
@@ -361,29 +381,58 @@ fun MidiControlPanel(
                             }
                         }
                     }
+                    } else {
+                        Column {
+                            IconButton(
+                                onClick = {
+                                    isPianoSelected = !isPianoSelected
+                                    if (isPianoSelected) {
+                                        mediaPlayer?.changeInstru(1)
+                                    } else {
+                                        mediaPlayer?.changeInstru(20)
+                                    }
 
-                    Spacer(modifier = Modifier.weight(1f))
-
-                    Column(
-                        modifier = Modifier.wrapContentWidth(),
-                        horizontalAlignment = Alignment.CenterHorizontally
-                    ) {
-                        IconButton(
-                            onClick = onPlayPauseClick,
-                            modifier = Modifier.size(48.dp).background(MaterialTheme.colorScheme.primary, CircleShape)
-                        ) {
-                            Icon(
-                                imageVector = if (isPause) Icons.Filled.PlayArrow else Icons.Filled.Pause,
-                                contentDescription = "Pla",
-                                tint = Color.White
-                            )
+                                }
+                            ) {
+                                if (isPianoSelected) {
+                                    Icon(
+                                        Icons.Default.Piano,
+                                        contentDescription = "Piano",
+                                        tint = Color.Black
+                                    )
+                                } else {
+                                    Icon(
+                                        painter = painterResource(Res.drawable.ic_organ),
+                                        contentDescription = "Orgue",
+                                        tint = Color.Black,
+                                        modifier = Modifier.size(25.dp)
+                                    )
+                                }
+                            }
                         }
-                    }
+
+                        Spacer(modifier = Modifier.weight(1f))
+                        Column(
+                            modifier = Modifier.wrapContentWidth(),
+                            horizontalAlignment = Alignment.CenterHorizontally
+                        ) {
+                            IconButton(
+                                onClick = onPlayPauseClick,
+                                modifier = Modifier.size(48.dp).background(MaterialTheme.colorScheme.primary, CircleShape)
+                            ) {
+                                Icon(
+                                    imageVector = if (isPause) Icons.Filled.PlayArrow else Icons.Filled.Pause,
+                                    contentDescription = "Pla",
+                                    tint = Color.White
+                                )
+                            }
+                        }
+                }
+
 
                     Spacer(modifier = Modifier.weight(1f))
 
-                    val platform = getPlatform()
-                    if (platform.name.startsWith("Java")) {
+                    if (platform.startsWith("Java")) {
                         ModernVolumeSlider(
                             volume, onVolumeChange = onVolumeChange
                         )