diff --git a/node_modules/@capgo/native-purchases/android/src/main/java/ee/forgr/nativepurchases/NativePurchasesPlugin.java b/node_modules/@capgo/native-purchases/android/src/main/java/ee/forgr/nativepurchases/NativePurchasesPlugin.java
index 49189fb..9452551 100644
--- a/node_modules/@capgo/native-purchases/android/src/main/java/ee/forgr/nativepurchases/NativePurchasesPlugin.java
+++ b/node_modules/@capgo/native-purchases/android/src/main/java/ee/forgr/nativepurchases/NativePurchasesPlugin.java
@@ -152,6 +152,33 @@ public class NativePurchasesPlugin extends Plugin {
         return purchaseDateFormat.format(new java.util.Date(timeMillis));
     }
 
+    // BANA-X SmartCents patch (D-159): additive. Every subscription offer of the product query also carries Google's own
+    // fields from ProductDetails.SubscriptionOfferDetails: basePlanId, offerId (null for the base plan), offerTags and
+    // every PricingPhase exactly as Google returns it. No existing field changes.
+    private static void putGoogleOfferFields(JSObject product, ProductDetails.SubscriptionOfferDetails offerDetails) {
+        product.put("basePlanId", offerDetails.getBasePlanId());
+        product.put("offerId", offerDetails.getOfferId() == null ? org.json.JSONObject.NULL : offerDetails.getOfferId());
+        JSONArray offerTags = new JSONArray();
+        for (String tag : offerDetails.getOfferTags()) {
+            offerTags.put(tag);
+        }
+        product.put("offerTags", offerTags);
+        JSONArray pricingPhases = new JSONArray();
+        if (offerDetails.getPricingPhases() != null) {
+            for (ProductDetails.PricingPhase phase : offerDetails.getPricingPhases().getPricingPhaseList()) {
+                JSObject pricingPhase = new JSObject();
+                pricingPhase.put("billingPeriod", phase.getBillingPeriod());
+                pricingPhase.put("priceAmountMicros", phase.getPriceAmountMicros());
+                pricingPhase.put("formattedPrice", phase.getFormattedPrice());
+                pricingPhase.put("priceCurrencyCode", phase.getPriceCurrencyCode());
+                pricingPhase.put("recurrenceMode", phase.getRecurrenceMode());
+                pricingPhase.put("billingCycleCount", phase.getBillingCycleCount());
+                pricingPhases.put(pricingPhase);
+            }
+        }
+        product.put("pricingPhases", pricingPhases);
+    }
+
     private JSObject buildPurchaseTransactionObject(Purchase purchase, String productType) {
         AccountIdentifiers accountIdentifiers = purchase.getAccountIdentifiers();
         String purchaseAccountId = accountIdentifiers != null ? accountIdentifiers.getObfuscatedAccountId() : null;
@@ -812,24 +839,38 @@ public class NativePurchasesPlugin extends Plugin {
                                 BillingFlowParams.ProductDetailsParams.newBuilder().setProductDetails(productDetailsItem);
                             if (productType.equals("subs")) {
                                 NativePurchasesLog.d(TAG, "Processing subscription product");
-                                // list the SubscriptionOfferDetails and find the one who match the planIdentifier if not found get the first one
+                                // BANA-X SmartCents patch (D-142.3): the offer must match planIdentifier AND, when given, the caller's
+                                // offerToken; no match is a rejection, never a fallback to another offer or base plan.
                                 ProductDetails.SubscriptionOfferDetails selectedOfferDetails = null;
                                 assert productDetailsItem.getSubscriptionOfferDetails() != null;
                                 NativePurchasesLog.d(
                                     TAG,
                                     "Available offer details count: " + productDetailsItem.getSubscriptionOfferDetails().size()
                                 );
+                                boolean offerTokenGiven = offerToken != null && !offerToken.isEmpty();
                                 for (ProductDetails.SubscriptionOfferDetails offerDetails : productDetailsItem.getSubscriptionOfferDetails()) {
                                     NativePurchasesLog.d(TAG, "Checking offer: " + offerDetails.getBasePlanId());
-                                    if (offerDetails.getBasePlanId().equals(planIdentifier)) {
-                                        selectedOfferDetails = offerDetails;
-                                        NativePurchasesLog.d(TAG, "Found matching plan: " + planIdentifier);
-                                        break;
+                                    if (!offerDetails.getBasePlanId().equals(planIdentifier)) {
+                                        continue;
                                     }
+                                    if (offerTokenGiven && !offerToken.equals(offerDetails.getOfferToken())) {
+                                        continue;
+                                    }
+                                    selectedOfferDetails = offerDetails;
+                                    NativePurchasesLog.d(TAG, "Found matching plan: " + planIdentifier);
+                                    break;
                                 }
                                 if (selectedOfferDetails == null) {
-                                    selectedOfferDetails = productDetailsItem.getSubscriptionOfferDetails().get(0);
-                                    NativePurchasesLog.d(TAG, "Using first available offer: " + selectedOfferDetails.getBasePlanId());
+                                    String code = offerTokenGiven ? "OFFER_NOT_FOUND" : "PLAN_NOT_FOUND";
+                                    NativePurchasesLog.d(TAG, "No subscription offer matches: " + code);
+                                    closeBillingClient();
+                                    call.reject(
+                                        offerTokenGiven
+                                            ? "Offer token not found for plan: " + planIdentifier
+                                            : "Plan not found for product: " + productIdentifier,
+                                        code
+                                    );
+                                    return;
                                 }
                                 productDetailsParams.setOfferToken(selectedOfferDetails.getOfferToken());
                                 NativePurchasesLog.d(
@@ -1074,6 +1115,7 @@ public class NativePurchasesPlugin extends Plugin {
                             product.put("offerToken", selectedOfferDetails.getOfferToken());
                             product.put("offerId", selectedOfferDetails.getOfferId());
                             ProductPayloadMapper.applySubscriptionPricing(product, selectedOfferDetails, offerDetailsList);
+                            putGoogleOfferFields(product, selectedOfferDetails);
                             double price = product.optDouble("price", 0.0);
                             NativePurchasesLog.d(TAG, "Plan identifier: " + productDetails.getProductId());
                             NativePurchasesLog.d(TAG, "Base plan ID: " + selectedOfferDetails.getBasePlanId());
@@ -1223,6 +1265,7 @@ public class NativePurchasesPlugin extends Plugin {
 
                                     product.put("isFamilyShareable", false);
                                     ProductPayloadMapper.applySubscriptionPricing(product, offerDetails, offerDetailsList);
+                                    putGoogleOfferFields(product, offerDetails);
                                     double price = product.optDouble("price", 0.0);
 
                                     NativePurchasesLog.d(TAG, "Plan identifier: " + productDetails.getProductId());