diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleActivity.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleActivity.java
index ddc6b36..6e0ecc9 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleActivity.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleActivity.java
@@ -21,7 +21,7 @@
         Fragment fragment;
 
         if(view == findViewById(R.id.button)){
-            fragment = new RealTime3DFragment();
+            fragment = new StartFragment();
             getSupportFragmentManager()
                     .beginTransaction()
                     .replace(R.id.fragment_field, fragment)
@@ -29,7 +29,7 @@
         }
 
         if(view == findViewById(R.id.button2)){
-            fragment = new StartFragment();
+            fragment = new RealTime3DFragment();
             getSupportFragmentManager()
                     .beginTransaction()
                     .replace(R.id.fragment_field, fragment)
diff --git a/app/src/main/res/layout/activity_sample.xml b/app/src/main/res/layout/activity_sample.xml
index b59a92c..5103856 100644
--- a/app/src/main/res/layout/activity_sample.xml
+++ b/app/src/main/res/layout/activity_sample.xml
@@ -15,7 +15,7 @@
         android:layout_marginRight="8dp"
         android:layout_marginTop="8dp"
         android:onClick="ClickButton"
-        android:text="Button"
+        android:text="Start"
         app:layout_constraintBottom_toTopOf="@+id/fragment_field"
         app:layout_constraintEnd_toStartOf="@+id/button2"
         app:layout_constraintHorizontal_bias="0.483"
@@ -49,7 +49,7 @@
         android:layout_marginStart="8dp"
         android:layout_marginTop="8dp"
         android:onClick="ClickButton"
-        android:text="Button"
+        android:text="GameStart"
         app:layout_constraintBottom_toTopOf="@+id/fragment_field"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toEndOf="@+id/button"