(FREE) 500 Free Coins at Amazon.com.au (Android) Appstore - EXPIRED

I just upgraded my Amazon Appstore on my android and got my 500 coins

From amazon website:
http://www.amazon.com.au/gp/feature.html/ref=pe_1062052_171209412_pe_ecg/?docId=3078429016&ie=UTF8

What is Amazon Coins?

Amazon Coins is a new way to buy and enjoy apps, games and in-app items for less. You can save up to 10% every day on apps and games by purchasing Amazon Coins. As a special introductory offer, you can save up to 20%, for a limited time only. You can buy Coins here.

How can I get 500 Coins for Free?

As a thank you for being an Amazon.com.au Appstore customer, your Coins will automatically be credited to your account.

If you have an Android device, you’ll need to make sure you have the latest version of the Appstore in order to see and use your Coins. Once you’ve updated to the latest version, your 500 free Coins will be waiting for you.

How do I update the Appstore on my Android Device?

You should be prompted to upgrade when you open the Amazon Appstore. If you aren't prompted, please follow these steps:
1. Find and open “Amazon Appstore” on your device.
2. Go to “Settings” > “Version and Release Notes” to ensure you have version 11.0 or greater of the Amazon Appstore. If you have an earlier version, please tap “Check For Update”.
3. Enjoy! You can now use your free Coins and also save up to 10% on apps and games when you buy Amazon Coins.

How do I Spend Coins?

You can spend Amazon Coins on the Appstore on your Kindle Fire, Android device or on Amazon.com.au. Explore great apps and games on the Amazon Appstore.