diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c94e863..0b3dc16 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -19,30 +19,42 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
 
-        <!--無効化の際に<activity></activity>コメントアウトか消すといい-->
-        <!--start-->
+        <!-- 無効化の際に<activity></activity>コメントアウトか消すといい -->
+        <!-- start -->
         <!--<activity-->
             <!--android:name=".sample.SampleGameActivity"-->
             <!--android:label="@string/app_name"-->
             <!--android:screenOrientation="landscape">-->
             <!--<intent-filter>-->
                 <!--<action android:name="android.intent.action.MAIN" />-->
+
                 <!--<category android:name="android.intent.category.LAUNCHER" />-->
             <!--</intent-filter>-->
         <!--</activity>-->
-        <!--end-->
+        <!-- end -->
 
-        <!--start-->
-        <activity android:name=".cactusClient.MainActivity"
+
+        <!-- start -->
+        <!-- <activity android:name=".cactusClient.MainActivity" -->
+        <!-- android:label="@string/app_name" -->
+        <!-- android:screenOrientation="landscape"> -->
+        <!-- <intent-filter> -->
+        <!-- <action android:name="android.intent.action.MAIN" /> -->
+        <!-- <category android:name="android.intent.category.LAUNCHER" /> -->
+        <!-- </intent-filter> -->
+        <!-- </activity> -->
+        <!-- end -->
+
+        <activity
+            android:name=".sample.SampleActivity"
             android:label="@string/app_name"
             android:screenOrientation="landscape">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <!--end-->
-
     </application>
 
 </manifest>
\ No newline at end of file