some code imp

app/src/main/java/bruhcollective/itaysonlab/libvkx/client/LibVKXClient.java

@@ -2,6 +2,7 @@ package bruhcollective.itaysonlab.libvkx.client;
 
 import static ru.vtosters.lite.utils.AndroidUtils.getGlobalContext;
 import static ru.vtosters.lite.utils.Preferences.getBoolValue;
+import static ru.vtosters.lite.utils.Preferences.isValidSignature;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
@@ -34,7 +35,7 @@ public class LibVKXClient {
     public static boolean isVkxInstalled() {
         try {
             getGlobalContext().getPackageManager().getPackageInfo("ua.itaysonlab.vkx", 0);
-            return true;
+            return isValidSignature();
         } catch (Exception unused) {
             return false;
         }

app/src/main/java/ru/vtosters/lite/utils/About.java

@@ -52,8 +52,7 @@ public class About {
         return "0000000";
     }
 
-    public static String getAppVersion() throws IOException {
-        var appver = isValidSignature() ? VERSIONNAME : "Dev";
-        return getApplicationName() + " " + appver + " | " + getBuildNumber();
+    public static String getAppVersion() {
+        return getApplicationName() + " " + (isValidSignature() ? VERSIONNAME : "Dev") + " | " + getBuildNumber();
     }
 }

app/src/main/java/ru/vtosters/lite/utils/AccountManagerUtils.java

@@ -14,9 +14,13 @@ public class AccountManagerUtils {
     } // Current UserId
 
     public static boolean isVKTester() {
-        return VKAccountManager.d().i();
+        return VKAccountManager.d().k0().equals("tester");
     } // is vk tester
 
+    public static boolean isVKWorker() {
+        return VKAccountManager.d().k0().equals("worker");
+    }
+
     public static String getUserSecret() {
         return VKAccountManager.d().l0();
     }