diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb192cc..e6845c1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,6 +55,9 @@ cm_example_project("DataType" DataArrayTest)
 add_executable(Uint2HexStrTest datatype/Uint2HexStrTest.cpp)
 cm_example_project("DataType" Uint2HexStrTest)
 
+add_executable(StackTest datatype/StackTest.cpp)
+cm_example_project("DataType" StackTest)
+
 ####################################################################################################
 
 add_executable(FixFilenameTest filesystem/FixFilenameTest.cpp)
diff --git a/android/AndroidDeviceAnalysis b/android/AndroidDeviceAnalysis
index b2f81e9..111c008 160000
--- a/android/AndroidDeviceAnalysis
+++ b/android/AndroidDeviceAnalysis
@@ -1 +1 @@
-Subproject commit b2f81e97d414143457c262b6dcb5cfb77de1d0d8
+Subproject commit 111c0087eda734f86ff556961cd9bbd5f86330ee
diff --git a/android/CMakeLists.txt b/android/CMakeLists.txt
index bc10b6b..66a6838 100644
--- a/android/CMakeLists.txt
+++ b/android/CMakeLists.txt
@@ -38,6 +38,7 @@ add_executable(AndroidDeviceAnalysis    AndroidDeviceAnalysis/main.cpp
 					                    AndroidDeviceAnalysis/GameRecord.h
                                         AndroidDeviceAnalysis/GameRecord.cpp
                                         AndroidDeviceAnalysis/AndroidDeviceRecord.cpp
+                                        AndroidDeviceAnalysis/GetDeviceLevel.cpp
 #                                        AndroidDeviceAnalysis/ExportReport.cpp
                                         ${ADA_LOAD_GAME_RECORD_SOURCE})
 
diff --git a/datatype/StackTest.cpp b/datatype/StackTest.cpp
new file mode 100644
index 0000000..f898aa4
--- /dev/null
+++ b/datatype/StackTest.cpp
@@ -0,0 +1,85 @@
+#include<hgl/type/Stack.H>
+#include<iostream>
+
+using namespace hgl;
+using namespace std;
+
+void TestStack()
+{
+    Stack<int> tab;
+    int i;
+
+    for(i=0;i<10;i++)
+    {
+        cout<<"push "<<i<<endl;
+
+        tab.Push(i);
+    }
+
+    cout<<"Stack Count: "<<tab.GetCount()<<endl;
+
+    for(i=0;i<10;i++)
+    {
+        int val;
+
+        tab.Pop(val);
+        
+        cout<<"pop "<<val<<endl;
+    }
+
+    cout<<"Stack Count: "<<tab.GetCount()<<endl;
+}
+
+class StackTestObject
+{
+    int val;
+
+public:
+
+    StackTestObject(int v)
+    {
+        val=v;
+
+        cout<<"StackTestObject "<<val<<endl;
+    }
+
+    ~StackTestObject()
+    {
+        cout<<"~StackTestObject "<<val<<endl;
+    }
+};
+
+void TestObjectStack()
+{
+    ObjectStack<StackTestObject> tab;
+
+    int i;
+
+    for(i=0;i<10;i++)
+    {
+        tab.Push(new StackTestObject(i));
+    }
+
+    cout<<"Stack Count: "<<tab.GetCount()<<endl;
+
+    for(i=0;i<10;i++)
+    {
+        StackTestObject *obj=tab.Pop();
+
+        if(obj)
+            delete obj;
+    }
+
+    cout<<"Stack Count: "<<tab.GetCount()<<endl;
+}
+
+int os_main(int,os_char **)
+{
+    TestStack();
+
+    cout<<"------------------------"<<endl;
+
+    TestObjectStack();
+
+    return(0);
+}