diff --git a/src/main/java/com/miti99/storescraperbot/api/apple/AppStoreScraper.java b/src/main/java/com/miti99/storescraperbot/api/apple/AppStoreScraper.java
index a518cf1..be55fbd 100644
--- a/src/main/java/com/miti99/storescraperbot/api/apple/AppStoreScraper.java
+++ b/src/main/java/com/miti99/storescraperbot/api/apple/AppStoreScraper.java
@@ -43,24 +43,45 @@ public class AppStoreScraper {
     }
   }
 
-  public static LocalDate getLastUpdateOfApp(String appId) {
+  public static AppleAppResponse getResponse(String appId) {
     boolean isInCache = AppleAppRepository.INSTANCE.exist(appId);
-    AppleAppResponse response = null;
     if (isInCache) {
       var app = AppleAppRepository.INSTANCE.load(appId);
-      response = app.getApp();
+      return app.getApp();
     } else {
-      response = app(new AppleAppRequest(appId));
+      var response = app(new AppleAppRequest(appId));
       AppleAppRepository.INSTANCE.init(appId);
       var app = AppleAppRepository.INSTANCE.load(appId);
       app.setApp(response);
       AppleAppRepository.INSTANCE.save(appId, app);
+      return response;
     }
-    if (response != null) {
-      return LocalDate.ofInstant(Instant.parse(response.updated()), ZoneId.systemDefault());
-    } else {
+  }
+
+  public static LocalDate getAppUpdated(String appId) {
+    var response = getResponse(appId);
+    if (response == null) {
       log.error("response is null");
       return LocalDate.ofInstant(Instant.ofEpochMilli(0), ZoneId.systemDefault());
     }
+    return LocalDate.ofInstant(Instant.parse(response.updated()), ZoneId.systemDefault());
+  }
+
+  public static double getAppScore(String appId) {
+    var response = getResponse(appId);
+    if (response == null) {
+      log.error("response is null");
+      return 0.0;
+    }
+    return response.score();
+  }
+
+  public static long getAppReviews(String appId) {
+    var response = getResponse(appId);
+    if (response == null) {
+      log.error("response is null");
+      return 0L;
+    }
+    return response.reviews();
   }
 }
diff --git a/src/main/java/com/miti99/storescraperbot/api/apple/request/AppleAppRequest.java b/src/main/java/com/miti99/storescraperbot/api/apple/request/AppleAppRequest.java
index 526c97b..5541cd8 100644
--- a/src/main/java/com/miti99/storescraperbot/api/apple/request/AppleAppRequest.java
+++ b/src/main/java/com/miti99/storescraperbot/api/apple/request/AppleAppRequest.java
@@ -1,5 +1,11 @@
 package com.miti99.storescraperbot.api.apple.request;
 
-public record AppleAppRequest(String appId) {
+public record AppleAppRequest(String appId, Long id) {
+  public AppleAppRequest(String appId) {
+    this(appId, null);
+  }
 
+  public AppleAppRequest(Long id) {
+    this(null, id);
+  }
 }
diff --git a/src/main/java/com/miti99/storescraperbot/api/google/GooglePlayScraper.java b/src/main/java/com/miti99/storescraperbot/api/google/GooglePlayScraper.java
index 159d466..b643943 100644
--- a/src/main/java/com/miti99/storescraperbot/api/google/GooglePlayScraper.java
+++ b/src/main/java/com/miti99/storescraperbot/api/google/GooglePlayScraper.java
@@ -43,19 +43,23 @@ public class GooglePlayScraper {
     }
   }
 
-  public static LocalDate getLastUpdateOfApp(String appId) {
+  private static GoogleAppResponse getResponse(String appId) {
     boolean isInCache = GoogleAppRepository.INSTANCE.exist(appId);
-    GoogleAppResponse response = null;
     if (isInCache) {
       var app = GoogleAppRepository.INSTANCE.load(appId);
-      response = app.getApp();
+      return app.getApp();
     } else {
-      response = app(new GoogleAppRequest(appId));
+      var response = app(new GoogleAppRequest(appId));
       GoogleAppRepository.INSTANCE.init(appId);
       var app = GoogleAppRepository.INSTANCE.load(appId);
       app.setApp(response);
       GoogleAppRepository.INSTANCE.save(appId, app);
+      return response;
     }
+  }
+
+  public static LocalDate getLastUpdateOfApp(String appId) {
+    var response = getResponse(appId);
     long lastUpdateMillis = 0;
     if (response != null) {
       lastUpdateMillis = response.updated();
@@ -64,4 +68,22 @@ public class GooglePlayScraper {
     }
     return LocalDate.ofInstant(Instant.ofEpochMilli(lastUpdateMillis), ZoneId.systemDefault());
   }
+
+  public static double getAppScore(String appId) {
+    var response = getResponse(appId);
+    if (response == null) {
+      log.error("response is null");
+      return 0.0;
+    }
+    return response.score();
+  }
+
+  public static long getAppRatings(String appId) {
+    var response = getResponse(appId);
+    if (response == null) {
+      log.error("response is null");
+      return 0L;
+    }
+    return response.ratings();
+  }
 }
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/AddAppleAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/AddAppleAppCommand.java
index 631e3df..dac916d 100644
--- a/src/main/java/com/miti99/storescraperbot/bot/command/AddAppleAppCommand.java
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/AddAppleAppCommand.java
@@ -1,12 +1,17 @@
 package com.miti99.storescraperbot.bot.command;
 
+import com.miti99.storescraperbot.api.apple.AppStoreScraper;
+import com.miti99.storescraperbot.api.apple.request.AppleAppRequest;
+import com.miti99.storescraperbot.api.apple.response.AppleAppResponse;
 import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
 import com.miti99.storescraperbot.repository.AdminRepository;
 import com.miti99.storescraperbot.repository.GroupRepository;
+import lombok.extern.log4j.Log4j2;
 import org.telegram.telegrambots.meta.api.objects.User;
 import org.telegram.telegrambots.meta.api.objects.chat.Chat;
 import org.telegram.telegrambots.meta.generics.TelegramClient;
 
+@Log4j2
 public class AddAppleAppCommand extends BaseStoreScraperBotCommand {
   public static final AddAppleAppCommand INSTANCE = new AddAppleAppCommand();
 
@@ -24,12 +29,32 @@ public class AddAppleAppCommand extends BaseStoreScraperBotCommand {
       return;
     }
 
-    if (arguments.length != 1) {
+    if (arguments.length < 1 || arguments.length > 2) {
       StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
       return;
     }
 
     var appId = arguments[0];
+    long id = -1;
+    AppleAppResponse response = null;
+    try {
+      try {
+        id = Long.parseLong(appId);
+      } catch (Exception e) {
+        // Input không phải id, bỏ qua
+      }
+      if (id != -1) {
+        response = AppStoreScraper.app(new AppleAppRequest(id));
+      } else {
+        response = AppStoreScraper.app(new AppleAppRequest(appId));
+      }
+    } catch (Exception e) {
+      log.error("request app error for appId: '{}', id: '{}'", appId, id, e);
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Error when request app info");
+      return;
+    }
+    appId = response.appId();
+
     long groupId = chat.getId();
     var group = GroupRepository.INSTANCE.load(groupId);
 
@@ -40,6 +65,6 @@ public class AddAppleAppCommand extends BaseStoreScraperBotCommand {
 
     group.getAppleApps().add(appId);
     GroupRepository.INSTANCE.save(groupId, group);
-    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Apple app added successfully");
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Apple app <code>%s</code> added successfully".formatted(appId));
   }
 }
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/AddGoogleAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/AddGoogleAppCommand.java
index ed85769..9a83276 100644
--- a/src/main/java/com/miti99/storescraperbot/bot/command/AddGoogleAppCommand.java
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/AddGoogleAppCommand.java
@@ -1,17 +1,22 @@
 package com.miti99.storescraperbot.bot.command;
 
+import com.miti99.storescraperbot.api.google.GooglePlayScraper;
+import com.miti99.storescraperbot.api.google.request.GoogleAppRequest;
+import com.miti99.storescraperbot.api.google.response.GoogleAppResponse;
 import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
 import com.miti99.storescraperbot.repository.AdminRepository;
 import com.miti99.storescraperbot.repository.GroupRepository;
+import lombok.extern.log4j.Log4j2;
 import org.telegram.telegrambots.meta.api.objects.User;
 import org.telegram.telegrambots.meta.api.objects.chat.Chat;
 import org.telegram.telegrambots.meta.generics.TelegramClient;
 
+@Log4j2
 public class AddGoogleAppCommand extends BaseStoreScraperBotCommand {
   public static final AddGoogleAppCommand INSTANCE = new AddGoogleAppCommand();
 
   AddGoogleAppCommand() {
-    super("addgoogle", "<appId>. Thêm Google app vào danh sách theo dõi của nhóm");
+    super("addgoogle", "<appId> [country]. Thêm Google app vào danh sách theo dõi của nhóm. Một số app cần country để hoạt động đúng");
   }
 
   @Override
@@ -30,6 +35,16 @@ public class AddGoogleAppCommand extends BaseStoreScraperBotCommand {
     }
 
     var appId = arguments[0];
+    GoogleAppResponse response = null;
+    try {
+      response = GooglePlayScraper.app(new GoogleAppRequest(appId));
+    } catch (Exception e) {
+      log.error("request app error for appId: '{}'", appId, e);
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Error when request app info");
+      return;
+    }
+
     long groupId = chat.getId();
     var group = GroupRepository.INSTANCE.load(groupId);
 
@@ -42,6 +57,6 @@ public class AddGoogleAppCommand extends BaseStoreScraperBotCommand {
     group.getGoogleApps().add(appId);
     GroupRepository.INSTANCE.save(groupId, group);
     StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
-        chat.getId(), "Google app added successfully");
+        chat.getId(), "Google app <code>%s</code> added successfully".formatted(appId));
   }
 }
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppCommand.java
index eca8d0c..be60201 100644
--- a/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppCommand.java
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppCommand.java
@@ -7,7 +7,6 @@ import com.miti99.storescraperbot.constant.Constant;
 import com.miti99.storescraperbot.repository.AdminRepository;
 import com.miti99.storescraperbot.repository.GroupRepository;
 import java.time.LocalDate;
-import java.time.LocalDateTime;
 import java.time.temporal.ChronoUnit;
 import org.telegram.telegrambots.meta.api.objects.User;
 import org.telegram.telegrambots.meta.api.objects.chat.Chat;
@@ -46,7 +45,7 @@ public class CheckAppCommand extends BaseStoreScraperBotCommand {
     sb.append("-".repeat(46));
     sb.append("\n");
     for (var appId : group.getAppleApps()) {
-      var updated = AppStoreScraper.getLastUpdateOfApp(appId);
+      var updated = AppStoreScraper.getAppUpdated(appId);
       long days = ChronoUnit.DAYS.between(updated, now);
       boolean passed = days <= Constant.NUM_DAYS_WARNING_NOT_UPDATED;
       sb.append(
diff --git a/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppScoreCommand.java b/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppScoreCommand.java
new file mode 100644
index 0000000..850172d
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/bot/command/CheckAppScoreCommand.java
@@ -0,0 +1,67 @@
+package com.miti99.storescraperbot.bot.command;
+
+import com.miti99.storescraperbot.api.apple.AppStoreScraper;
+import com.miti99.storescraperbot.api.google.GooglePlayScraper;
+import com.miti99.storescraperbot.bot.StoreScrapeBotTelegramClient;
+import com.miti99.storescraperbot.constant.Constant;
+import com.miti99.storescraperbot.repository.AdminRepository;
+import com.miti99.storescraperbot.repository.GroupRepository;
+import java.time.temporal.ChronoUnit;
+import org.telegram.telegrambots.meta.api.objects.User;
+import org.telegram.telegrambots.meta.api.objects.chat.Chat;
+import org.telegram.telegrambots.meta.generics.TelegramClient;
+
+public class CheckAppScoreCommand extends BaseStoreScraperBotCommand {
+  public static final CheckAppScoreCommand INSTANCE = new CheckAppScoreCommand();
+
+  CheckAppScoreCommand() {
+    super("checkappscore", "Kiểm tra điểm đánh giá các app (sao)");
+  }
+
+  @Override
+  protected void executeCommand(
+      TelegramClient telegramClient, User user, Chat chat, String[] arguments) {
+    var admin = AdminRepository.INSTANCE.load();
+    if (!admin.getGroups().contains(chat.getId())) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(
+          chat.getId(), "Group is not allowed to use bot");
+      return;
+    }
+
+    if (arguments.length != 0) {
+      StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), "Invalid arguments");
+      return;
+    }
+
+    long groupId = chat.getId();
+    var group = GroupRepository.INSTANCE.load(groupId);
+
+    var sb = new StringBuilder();
+    sb.append("<b>Apple Apps:</b>\n");
+    sb.append("<code>\n");
+    sb.append("%-20s | %-10s | %-10s\n".formatted("AppId", "Score", "Reviews"));
+    sb.append("-".repeat(32));
+    sb.append("\n");
+    for (var appId : group.getAppleApps()) {
+      double score = AppStoreScraper.getAppScore(appId);
+      long reviews = AppStoreScraper.getAppReviews(appId);
+      sb.append("%-20s | %-10s | %-10s\n".formatted(appId, score, reviews));
+    }
+    sb.append("</code>\n");
+    sb.append("\n");
+    sb.append("<b>Google Apps:</b>\n");
+    sb.append("<code>\n");
+    sb.append("%-20s | %-10s | %-10s\n".formatted("AppId", "Score", "Ratings"));
+    sb.append("-".repeat(46));
+    sb.append("\n");
+    for (var appId : group.getGoogleApps()) {
+      double score = GooglePlayScraper.getAppScore(appId);
+      long ratings = GooglePlayScraper.getAppRatings(appId);
+      sb.append("%-20s | %-10s | %-10s\n".formatted(appId, score, ratings));
+    }
+    sb.append("</code>");
+    sb.append("\n");
+
+    StoreScrapeBotTelegramClient.INSTANCE.sendMessage(chat.getId(), sb.toString());
+  }
+}
diff --git a/src/main/java/com/miti99/storescraperbot/constant/Constant.java b/src/main/java/com/miti99/storescraperbot/constant/Constant.java
index 24b3445..8f1859c 100644
--- a/src/main/java/com/miti99/storescraperbot/constant/Constant.java
+++ b/src/main/java/com/miti99/storescraperbot/constant/Constant.java
@@ -1,7 +1,7 @@
 package com.miti99.storescraperbot.constant;
 
 public class Constant {
-  public static final String APP_NAME = "store_scraper_bot";
+  public static final String COMMON_COLLECTION_NAME = "common";
   public static final long APP_CACHE_SECONDS = 600;
   public static final long NUM_DAYS_WARNING_NOT_UPDATED = 30;
 }
diff --git a/src/main/java/com/miti99/storescraperbot/model/entity/AppleAppInfo.java b/src/main/java/com/miti99/storescraperbot/model/entity/AppleAppInfo.java
new file mode 100644
index 0000000..10a6305
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/model/entity/AppleAppInfo.java
@@ -0,0 +1,3 @@
+package com.miti99.storescraperbot.model.entity;
+
+public class AppleAppInfo {}
diff --git a/src/main/java/com/miti99/storescraperbot/model/entity/GoogleAppInfo.java b/src/main/java/com/miti99/storescraperbot/model/entity/GoogleAppInfo.java
new file mode 100644
index 0000000..eb51c94
--- /dev/null
+++ b/src/main/java/com/miti99/storescraperbot/model/entity/GoogleAppInfo.java
@@ -0,0 +1,3 @@
+package com.miti99.storescraperbot.model.entity;
+
+public class GoogleAppInfo {}
diff --git a/src/main/java/com/miti99/storescraperbot/repository/AbstractRepository.java b/src/main/java/com/miti99/storescraperbot/repository/AbstractRepository.java
index d2865b8..594ab5a 100644
--- a/src/main/java/com/miti99/storescraperbot/repository/AbstractRepository.java
+++ b/src/main/java/com/miti99/storescraperbot/repository/AbstractRepository.java
@@ -16,9 +16,15 @@ public abstract class AbstractRepository<K, V extends AbstractModel<K>> {
   // protected final Class<K> classK = getKeyClass();
   protected final Class<V> classV = getDataClass();
   protected final String scopeName = Config.ENV.name().toLowerCase();
-  protected final String collectionName = CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, classV.getSimpleName());
+  protected final String collectionName;
+
+  protected AbstractRepository(String collectionName) {
+    this.collectionName = collectionName;
+    CouchbaseUtil.createCollection(scopeName, collectionName);
+  }
 
   protected AbstractRepository() {
+    collectionName = CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, classV.getSimpleName());
     CouchbaseUtil.createCollection(scopeName, collectionName);
   }
 
diff --git a/src/main/java/com/miti99/storescraperbot/repository/AdminRepository.java b/src/main/java/com/miti99/storescraperbot/repository/AdminRepository.java
index 5911acf..a24f5a8 100644
--- a/src/main/java/com/miti99/storescraperbot/repository/AdminRepository.java
+++ b/src/main/java/com/miti99/storescraperbot/repository/AdminRepository.java
@@ -1,20 +1,57 @@
 package com.miti99.storescraperbot.repository;
 
+import com.miti99.storescraperbot.constant.Constant;
 import com.miti99.storescraperbot.model.Admin;
 
-/** Đây là repository chỉ chứa 1 key duy nhất, key là "admin" */
+/**
+ * Đây là repository chỉ chứa 1 key duy nhất. Nên lưu trong default collection của Couchbase
+ * ("_default")
+ *
+ * <p>TODO: Refactor các logic của một single key repository sang abstract class để dễ hiểu hơn.
+ * Code hiện tại này chỉ là trick tạm thời nên chưa tốt lắm. Cần thiết kế lại tốt hơn
+ */
 public class AdminRepository extends AbstractRepository<String, Admin> {
   public static final AdminRepository INSTANCE = new AdminRepository();
+  public static final String KEY = "admin";
+
+  public AdminRepository() {
+    super(Constant.COMMON_COLLECTION_NAME);
+  }
+
+  @Override
+  public void init(String key) {
+    super.init(KEY);
+  }
+
+  @Override
+  public void save(String key, Admin data) {
+    super.save(KEY, data);
+  }
+
+  @Override
+  public boolean exist(String key) {
+    return super.exist(KEY);
+  }
+
+  @Override
+  public Admin load(String key) {
+    return super.load(KEY);
+  }
+
+  @Override
+  public void delete(String key) {
+    super.delete(KEY);
+  }
 
   public void init() {
-    init("admin");
+    init(KEY);
   }
 
   public Admin load() {
-    return load("admin");
+    return load(KEY);
   }
 
   public void save(Admin data) {
-    save("admin", data);
+    save(KEY, data);
   }
 }