diff --git a/component/viewer/src/main/java/one/nem/lacerta/component/viewer/RevAdapter.java b/component/viewer/src/main/java/one/nem/lacerta/component/viewer/RevAdapter.java
index bee4308d..eb5c634f 100644
--- a/component/viewer/src/main/java/one/nem/lacerta/component/viewer/RevAdapter.java
+++ b/component/viewer/src/main/java/one/nem/lacerta/component/viewer/RevAdapter.java
@@ -8,6 +8,7 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
+import java.text.SimpleDateFormat;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 
@@ -40,13 +41,14 @@ public class RevAdapter extends RecyclerView.Adapter<RevAdapter.RevViewHolder>{
     @Override
     public void onBindViewHolder(@NonNull RevAdapter.RevViewHolder holder, int position) {
         VcsRevModel revModel = revModels.get(position);
+        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
         holder.title.setText(revModel.getCommitMessage());
         if (FeatureSwitch.Vcs.disableBranchDisplay) {
 //            holder.detail.setText(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(revModel.getCreatedAt().toInstant()));
-            holder.detail.setText("DateTimePlaceholder");
+            holder.detail.setText(simpleDateFormat.format(revModel.getCreatedAt()));
         } else {
             //        holder.detail.setText(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(revModel.getCreatedAt().toInstant()) + " " + revModel.getBranchName());
-            holder.detail.setText("DateTimePlaceholder" + " " + revModel.getBranchName());
+            holder.detail.setText(simpleDateFormat.format(revModel.getCreatedAt())+ " " + revModel.getBranchName());
         }
         holder.revId.setText("RevID: " + revModel.getId());
 
diff --git a/feature/home/src/main/java/one/nem/lacerta/feature/home/HomeTopFragment.java b/feature/home/src/main/java/one/nem/lacerta/feature/home/HomeTopFragment.java
index 3d64657c..e27bcfbd 100644
--- a/feature/home/src/main/java/one/nem/lacerta/feature/home/HomeTopFragment.java
+++ b/feature/home/src/main/java/one/nem/lacerta/feature/home/HomeTopFragment.java
@@ -8,11 +8,14 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import androidx.appcompat.widget.Toolbar;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.google.android.material.appbar.AppBarLayout;
+
 import javax.inject.Inject;
 
 import dagger.hilt.android.AndroidEntryPoint;
@@ -56,6 +59,17 @@ public class HomeTopFragment extends Fragment {
         // Inflate the layout for this fragment
         View view = inflater.inflate(R.layout.fragment_home_top, container, false);
 
+        // Set status bar color
+        AppBarLayout appBarLayout = view.findViewById(R.id.app_bar_layout);
+        appBarLayout.addOnOffsetChangedListener((appBarLayout1, verticalOffset) -> {
+            if (Math.abs(verticalOffset) == appBarLayout1.getTotalScrollRange()) {
+                // Collapsed
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
+            } else if (verticalOffset == 0) {
+                // Expanded
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
+            }
+        });
         return view;
     }
 
diff --git a/feature/library/build.gradle b/feature/library/build.gradle
index fa18f9bc..6b102535 100644
--- a/feature/library/build.gradle
+++ b/feature/library/build.gradle
@@ -53,5 +53,7 @@ dependencies {
 
     implementation project(':utils')
 
+    implementation project(':component:viewer')
+
 
 }
\ No newline at end of file
diff --git a/feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryPageFragment.java b/feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryPageFragment.java
index 363121d5..fd9d3e89 100644
--- a/feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryPageFragment.java
+++ b/feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryPageFragment.java
@@ -1,6 +1,7 @@
 package one.nem.lacerta.feature.library;
 
 import android.app.AlertDialog;
+import android.content.Intent;
 import android.os.Bundle;
 
 import androidx.annotation.NonNull;
@@ -35,6 +36,7 @@ import java.util.Objects;
 import javax.inject.Inject;
 
 import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.component.viewer.ViewerMainActivity;
 import one.nem.lacerta.data.Document;
 import one.nem.lacerta.data.LacertaLibrary;
 import one.nem.lacerta.model.FragmentNavigation;
@@ -117,19 +119,13 @@ public class LibraryPageFragment extends Fragment {
 
         // Set status bar color
         AppBarLayout appBarLayout = view.findViewById(R.id.app_bar_layout);
-        appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
-            @Override
-            public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
-                if (Math.abs(verticalOffset) == appBarLayout.getTotalScrollRange()) {
-                    // Collapsed
-                    getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
-                } else if (verticalOffset == 0) {
-                    // Expanded
-                    getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
-                } else {
-                    // Somewhere in between
-                    // Here you can add a color transition if you want
-                }
+        appBarLayout.addOnOffsetChangedListener((appBarLayout1, verticalOffset) -> {
+            if (Math.abs(verticalOffset) == appBarLayout1.getTotalScrollRange()) {
+                // Collapsed
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
+            } else if (verticalOffset == 0) {
+                // Expanded
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
             }
         });
         return view;
@@ -179,7 +175,11 @@ public class LibraryPageFragment extends Fragment {
 
             @Override
             public void onDocumentSelected(String documentId, String documentName) {
-                Toast.makeText(getContext(), "Document selected! documentId: " + documentId + ", documentName: " + documentName, Toast.LENGTH_SHORT).show();
+                Intent intent = new Intent(getContext(), ViewerMainActivity.class);
+                logger.debug("LibraryTopFragment", "Document selected! documentId: " + documentId + ", documentName: " + documentName);
+                intent.putExtra("documentId", documentId);
+                intent.putExtra("documentName", documentName);
+                startActivity(intent);
             }
         });
 
diff --git a/feature/setting/src/main/java/one/nem/lacerta/setting/SettingTopFragment.java b/feature/setting/src/main/java/one/nem/lacerta/setting/SettingTopFragment.java
index 14b1bd06..6c789b17 100644
--- a/feature/setting/src/main/java/one/nem/lacerta/setting/SettingTopFragment.java
+++ b/feature/setting/src/main/java/one/nem/lacerta/setting/SettingTopFragment.java
@@ -10,6 +10,8 @@ import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.google.android.material.appbar.AppBarLayout;
+
 import java.util.ArrayList;
 
 import one.nem.lacerta.setting.model.SettingListItem;
@@ -86,6 +88,17 @@ public class SettingTopFragment extends Fragment {
         recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
         recyclerView.setAdapter(new ListItemAdapter(settingListItems));
 
+        // Set status bar color
+        AppBarLayout appBarLayout = view.findViewById(R.id.app_bar_layout);
+        appBarLayout.addOnOffsetChangedListener((appBarLayout1, verticalOffset) -> {
+            if (Math.abs(verticalOffset) == appBarLayout1.getTotalScrollRange()) {
+                // Collapsed
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
+            } else if (verticalOffset == 0) {
+                // Expanded
+                getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
+            }
+        });
         return view;
     }
 }
\ No newline at end of file
diff --git a/utils/src/main/java/one/nem/lacerta/utils/FeatureSwitch.java b/utils/src/main/java/one/nem/lacerta/utils/FeatureSwitch.java
index 14832a5c..5c808841 100644
--- a/utils/src/main/java/one/nem/lacerta/utils/FeatureSwitch.java
+++ b/utils/src/main/java/one/nem/lacerta/utils/FeatureSwitch.java
@@ -11,6 +11,7 @@ public class FeatureSwitch {
     }
 
     public static class Viewer {
+        // TODO-rca: 実装
         public static boolean showOriginalImage = false;
         public static int maxImageSize = 1024;
         public static boolean showProgressBarWhenLoading = true;
@@ -18,7 +19,7 @@ public class FeatureSwitch {
 
     public static class FeatureMaster {
         public static boolean enableSearch = false;
-        public static boolean enableDebugMenu = true;
+        public static boolean enableDebugMenu = false;
     }
 
     public static class Vcs {
@@ -26,6 +27,7 @@ public class FeatureSwitch {
     }
 
     public static class Setting {
+        // TODO-rca: 実装
         public static boolean showDisplayMenu = false;
         public static boolean showDataMenu = false;
         public static boolean showScanMenu = false;