diff --git a/README.md b/README.md
index de76c521..e6a0f9e9 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,11 @@ Arch-linux:
 	# update the system:
 	Pacman -Syu
 	# install lib C:
-	pacman -S lib32-glibc
+	pacman -S lib32-glibc lib32-zlib lib32-gcc-libs
+	# install open-jdk 7.0
+	pacman -S jdk7-openjdk
+	# connect adb: (and you can do a "android/sdk/platform-tools/adb shell" to enable computer key on device)
+	pacman -S android-udev
 
 License (APACHE v2.0)
 =====================
diff --git a/ewol/widget/ListFileSystem.cpp b/ewol/widget/ListFileSystem.cpp
index 88927a40..106550c7 100644
--- a/ewol/widget/ListFileSystem.cpp
+++ b/ewol/widget/ListFileSystem.cpp
@@ -45,7 +45,7 @@ ewol::widget::ListFileSystem::ListFileSystem() :
   m_selectedLine(-1) {
 	addObjectType("ewol::widget::ListFileSystem");
 	#if defined(__TARGET_OS__Windows)
-		propertyPath = "c:/";
+		propertyPath.setDirectCheck("c:/");
 	#endif
 	m_colorProperty = ewol::resource::ColorFile::create("{ewol}THEME:COLOR:ListFileSystem.json");
 	if (m_colorProperty != nullptr) {
diff --git a/lutinParseSubFolders.txt b/lutinParseSubFolders.txt
index cf0d154a..bddd11da 100644
--- a/lutinParseSubFolders.txt
+++ b/lutinParseSubFolders.txt
@@ -1,4 +1,4 @@
-sample/001_HelloWord
-sample/0XX_CustomWidgets
-sample/examplewallpaper
+sample/HelloWord
+sample/CustomWidgets
+sample/wallpaper
 tools/visual_test
\ No newline at end of file
diff --git a/sample/0XX_CustomWidgets/appl/Main.cpp b/sample/CustomWidgets/appl/Main.cpp
similarity index 100%
rename from sample/0XX_CustomWidgets/appl/Main.cpp
rename to sample/CustomWidgets/appl/Main.cpp
diff --git a/sample/0XX_CustomWidgets/appl/Main.h b/sample/CustomWidgets/appl/Main.h
similarity index 100%
rename from sample/0XX_CustomWidgets/appl/Main.h
rename to sample/CustomWidgets/appl/Main.h
diff --git a/sample/0XX_CustomWidgets/appl/Windows.cpp b/sample/CustomWidgets/appl/Windows.cpp
similarity index 100%
rename from sample/0XX_CustomWidgets/appl/Windows.cpp
rename to sample/CustomWidgets/appl/Windows.cpp
diff --git a/sample/0XX_CustomWidgets/appl/Windows.h b/sample/CustomWidgets/appl/Windows.h
similarity index 100%
rename from sample/0XX_CustomWidgets/appl/Windows.h
rename to sample/CustomWidgets/appl/Windows.h
diff --git a/sample/0XX_CustomWidgets/appl/debug.cpp b/sample/CustomWidgets/appl/debug.cpp
similarity index 100%
rename from sample/0XX_CustomWidgets/appl/debug.cpp
rename to sample/CustomWidgets/appl/debug.cpp
diff --git a/sample/0XX_CustomWidgets/appl/debug.h b/sample/CustomWidgets/appl/debug.h
similarity index 100%
rename from sample/0XX_CustomWidgets/appl/debug.h
rename to sample/CustomWidgets/appl/debug.h
diff --git a/sample/0XX_CustomWidgets/appl/widget/VectorDisplay.cpp b/sample/CustomWidgets/appl/widget/VectorDisplay.cpp
similarity index 100%
rename from sample/0XX_CustomWidgets/appl/widget/VectorDisplay.cpp
rename to sample/CustomWidgets/appl/widget/VectorDisplay.cpp
diff --git a/sample/0XX_CustomWidgets/appl/widget/VectorDisplay.h b/sample/CustomWidgets/appl/widget/VectorDisplay.h
similarity index 100%
rename from sample/0XX_CustomWidgets/appl/widget/VectorDisplay.h
rename to sample/CustomWidgets/appl/widget/VectorDisplay.h
diff --git a/sample/0XX_CustomWidgets/lutin_0XX_customwidget.py b/sample/CustomWidgets/lutin_ewol-sample-CustomWidget.py
similarity index 100%
rename from sample/0XX_CustomWidgets/lutin_0XX_customwidget.py
rename to sample/CustomWidgets/lutin_ewol-sample-CustomWidget.py
diff --git a/sample/001_HelloWord/appl/Main.cpp b/sample/HelloWord/appl/Main.cpp
similarity index 100%
rename from sample/001_HelloWord/appl/Main.cpp
rename to sample/HelloWord/appl/Main.cpp
diff --git a/sample/001_HelloWord/appl/Main.h b/sample/HelloWord/appl/Main.h
similarity index 100%
rename from sample/001_HelloWord/appl/Main.h
rename to sample/HelloWord/appl/Main.h
diff --git a/sample/001_HelloWord/appl/Windows.cpp b/sample/HelloWord/appl/Windows.cpp
similarity index 100%
rename from sample/001_HelloWord/appl/Windows.cpp
rename to sample/HelloWord/appl/Windows.cpp
diff --git a/sample/001_HelloWord/appl/Windows.h b/sample/HelloWord/appl/Windows.h
similarity index 100%
rename from sample/001_HelloWord/appl/Windows.h
rename to sample/HelloWord/appl/Windows.h
diff --git a/sample/001_HelloWord/appl/debug.cpp b/sample/HelloWord/appl/debug.cpp
similarity index 100%
rename from sample/001_HelloWord/appl/debug.cpp
rename to sample/HelloWord/appl/debug.cpp
diff --git a/sample/001_HelloWord/appl/debug.h b/sample/HelloWord/appl/debug.h
similarity index 100%
rename from sample/001_HelloWord/appl/debug.h
rename to sample/HelloWord/appl/debug.h
diff --git a/sample/001_HelloWord/lutin_001_HelloWord.py b/sample/HelloWord/lutin_ewol-sample-HelloWord.py
similarity index 100%
rename from sample/001_HelloWord/lutin_001_HelloWord.py
rename to sample/HelloWord/lutin_ewol-sample-HelloWord.py
diff --git a/sample/examplewallpaper/appl/Main.cpp b/sample/wallpaper/appl/Main.cpp
similarity index 100%
rename from sample/examplewallpaper/appl/Main.cpp
rename to sample/wallpaper/appl/Main.cpp
diff --git a/sample/examplewallpaper/appl/Main.h b/sample/wallpaper/appl/Main.h
similarity index 100%
rename from sample/examplewallpaper/appl/Main.h
rename to sample/wallpaper/appl/Main.h
diff --git a/sample/examplewallpaper/appl/WidgetDisplay.cpp b/sample/wallpaper/appl/WidgetDisplay.cpp
similarity index 100%
rename from sample/examplewallpaper/appl/WidgetDisplay.cpp
rename to sample/wallpaper/appl/WidgetDisplay.cpp
diff --git a/sample/examplewallpaper/appl/WidgetDisplay.h b/sample/wallpaper/appl/WidgetDisplay.h
similarity index 100%
rename from sample/examplewallpaper/appl/WidgetDisplay.h
rename to sample/wallpaper/appl/WidgetDisplay.h
diff --git a/sample/examplewallpaper/appl/Windows.cpp b/sample/wallpaper/appl/Windows.cpp
similarity index 100%
rename from sample/examplewallpaper/appl/Windows.cpp
rename to sample/wallpaper/appl/Windows.cpp
diff --git a/sample/examplewallpaper/appl/Windows.h b/sample/wallpaper/appl/Windows.h
similarity index 100%
rename from sample/examplewallpaper/appl/Windows.h
rename to sample/wallpaper/appl/Windows.h
diff --git a/sample/examplewallpaper/appl/debug.cpp b/sample/wallpaper/appl/debug.cpp
similarity index 100%
rename from sample/examplewallpaper/appl/debug.cpp
rename to sample/wallpaper/appl/debug.cpp
diff --git a/sample/examplewallpaper/appl/debug.h b/sample/wallpaper/appl/debug.h
similarity index 100%
rename from sample/examplewallpaper/appl/debug.h
rename to sample/wallpaper/appl/debug.h
diff --git a/sample/examplewallpaper/data/SnowFlake.svg b/sample/wallpaper/data/SnowFlake.svg
similarity index 100%
rename from sample/examplewallpaper/data/SnowFlake.svg
rename to sample/wallpaper/data/SnowFlake.svg
diff --git a/sample/examplewallpaper/lutin_examplewallpaper.py b/sample/wallpaper/lutin_ewol-sample-wallpaper.py
similarity index 100%
rename from sample/examplewallpaper/lutin_examplewallpaper.py
rename to sample/wallpaper/lutin_ewol-sample-wallpaper.py