diff --git a/locales/en.po b/locales/en.po
index dd3fb48..8b6b17d 100644
--- a/locales/en.po
+++ b/locales/en.po
@@ -307,6 +307,3 @@ msgstr "Nothing"
 
 msgid "win_developper"
 msgstr "Developper"
-
-msgid "lab_dev_tools"
-msgstr "Developper tools"
diff --git a/locales/fr.po b/locales/fr.po
index f3de6eb..462a0dc 100644
--- a/locales/fr.po
+++ b/locales/fr.po
@@ -307,6 +307,3 @@ msgstr "Rien n'est sélectionné"
 
 msgid "win_developper"
 msgstr "Développeur"
-
-msgid "lab_dev_tools"
-msgstr "Outils de développement"
diff --git a/locales/messages.mo b/locales/messages.mo
index 924a7a2..6862cf4 100644
Binary files a/locales/messages.mo and b/locales/messages.mo differ
diff --git a/locales/messages.pot b/locales/messages.pot
index a6bb178..103d3b2 100644
--- a/locales/messages.pot
+++ b/locales/messages.pot
@@ -299,6 +299,3 @@ msgstr ""
 msgid "win_developper"
 msgstr ""
 
-msgid "lab_dev_tools"
-msgstr ""
-
diff --git a/scenes/developper/developper.gd b/scenes/developper/developper.gd
new file mode 100644
index 0000000..3b6c092
--- /dev/null
+++ b/scenes/developper/developper.gd
@@ -0,0 +1,14 @@
+extends Control
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+
+func _on_quit_pressed():
+	$Window.visible = false
diff --git a/scenes/developper/developper.tscn b/scenes/developper/developper.tscn
index e7faf67..6d6d37c 100644
--- a/scenes/developper/developper.tscn
+++ b/scenes/developper/developper.tscn
@@ -1,9 +1,9 @@
 [gd_scene load_steps=2 format=3 uid="uid://cua4782cbjhla"]
 
-[ext_resource type="Script" path="res://scenes/languages/languages.gd" id="1_irmml"]
+[ext_resource type="Script" path="res://scenes/developper/developper.gd" id="1_qf0rd"]
 
 [node name="Control" type="Control"]
-script = ExtResource( "1_irmml" )
+script = ExtResource( "1_qf0rd" )
 
 [node name="Window" type="Window" parent="."]
 title = "win_developper"
@@ -18,10 +18,18 @@ size_flags_horizontal = 3
 size_flags_vertical = 3
 metadata/_edit_use_custom_anchors = false
 
-[node name="Label" type="Label" parent="Window/VBoxContainer"]
+[node name="VBoxContainer2" type="VBoxContainer" parent="Window/VBoxContainer"]
 offset_right = 40.0
-offset_bottom = 23.0
-text = "lab_dev_tools"
+offset_bottom = 40.0
+
+[node name="TabBar" type="TabBar" parent="Window/VBoxContainer/VBoxContainer2"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_top = 31.0
+offset_bottom = 22.0
+tab_count = 2
+tab_0/title = "tab_sky"
+tab_1/title = "tab_weather"
 
 [node name="Quit" type="Button" parent="Window/VBoxContainer"]
 offset_top = 35.0
diff --git a/scenes/languages/languages.gd b/scenes/languages/languages.gd
index 5a6881a..a63210a 100644
--- a/scenes/languages/languages.gd
+++ b/scenes/languages/languages.gd
@@ -2,7 +2,42 @@ extends Control
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
-	pass
+	$Window/VBoxContainer/Select.clear()
+	var id = 0
+	var selected = -1
+	var near_selected = -1
+	var current_locale = TranslationServer.get_locale()
+	var root_language = current_locale.split('_')[0]
+	for key in TranslationServer.get_loaded_locales():
+		if key == TranslationServer.get_locale():
+			selected = id
+		else:
+			var tmp = key.split("_")
+			# print("tmp:" + tmp[0])
+			if tmp[0] == root_language:
+				if tmp.size() == 1:
+					near_selected = id
+				elif near_selected == -1:
+					near_selected = id
+		$Window/VBoxContainer/Select.add_item(TranslationServer.get_locale_name(key) + " [" + key + "]", id)
+		id += 1
+	if selected == -1 and near_selected != -1:
+		selected = near_selected
+	if selected == -1:
+		# Your language not exist, create it just for the form
+		var key = TranslationServer.get_locale()
+		$Window/VBoxContainer/Select.add_item(TranslationServer.get_locale_name(key) + " (" + key + " !)", id)
+		selected = id
+	$Window/VBoxContainer/Select.select(selected)
+
+
+func _on_select_item_selected(_index):
+	var pos = 0
+	for key in TranslationServer.get_loaded_locales():
+		if pos == $Window/VBoxContainer/Select.get_selected():
+			TranslationServer.set_locale(key)
+			return
+		pos += 1
 
 
 func _on_quit_pressed():