diff --git a/app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/home/HomeFragment.java b/app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/home/HomeFragment.java
index be3130b..824edd4 100644
--- a/app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/home/HomeFragment.java
+++ b/app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/home/HomeFragment.java
@@ -76,10 +76,10 @@ private void setupPromotions(LayoutInflater inflater) {
             for (com.d4rk.androidtutorials.java.data.model.PromotedApp app : apps) {
                 com.d4rk.androidtutorials.java.databinding.PromotedAppItemBinding itemBinding =
                         com.d4rk.androidtutorials.java.databinding.PromotedAppItemBinding.inflate(inflater, container, false);
-                loadImage(app.iconUrl, itemBinding.appIcon);
-                itemBinding.appName.setText(app.name);
+                loadImage(app.iconUrl(), itemBinding.appIcon);
+                itemBinding.appName.setText(app.name());
                 itemBinding.appDescription.setVisibility(android.view.View.GONE);
-                itemBinding.appButton.setOnClickListener(v -> startActivity(homeViewModel.getPromotedAppIntent(app.packageName)));
+                itemBinding.appButton.setOnClickListener(v -> startActivity(homeViewModel.getPromotedAppIntent(app.packageName())));
                 container.addView(itemBinding.getRoot());
             }
         });
diff --git a/app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/support/repository/SupportRepository.java b/app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/support/repository/SupportRepository.java
index e777930..9292e76 100644
--- a/app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/support/repository/SupportRepository.java
+++ b/app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/support/repository/SupportRepository.java
@@ -85,9 +85,11 @@ public void queryProductDetails(List<String> productIds, OnProductDetailsListene
                 .setProductList(products)
                 .build();
 
-        billingClient.queryProductDetailsAsync(params, (billingResult, productDetailsList) -> {
+        billingClient.queryProductDetailsAsync(params, result -> {
+            BillingResult billingResult = result.getBillingResult();
             if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {
-                if (!productDetailsList.isEmpty()) {
+                List<ProductDetails> productDetailsList = result.getProductDetailsList();
+                if (productDetailsList != null && !productDetailsList.isEmpty()) {
                     for (ProductDetails productDetails : productDetailsList) {
                         productDetailsMap.put(productDetails.getProductId(), productDetails);
                     }