To use Freedom Google Play in-app purchase .you need to perform three easy steps:
Install and run it on Android device.
Choose and tap on app which you wish to get for free.
How To Use Freedom App To Google Play In-App Purchase
Step 1. First you need to download Freedom APK file.
Step 2. After downloading go to Security settings on your device and make sure that you enable ?Unknown Sources?.
Step 3. Now just install Freedom app and open it allowing superuser permissions request.
Step 4. After successful installation go to Google Play and choose the app you want to download.
Step 5. Now just make free in-app purchase clicking Accept & Download. Wait till the app will finish to download.
Step 6. Run Freedom and tap on the app you have just downloaded.
Step 7. Now you can make your in-app purchase.
* minor improvements