Thank you for Contacting AVG.
We are sorry for the inconvenience Caused. We would like to inform you did at present the latest version available in Amazon App Store is v3.3.3. We have already planned to update Amazon version of AVG antivirus app and we are working on the same with Amazon but it will take some time.
We request your patience and co-operation.
Best regards,
Manikandan Murugesan
Reads as much quite nice, we are waiting for the implementation. But once 4 stars.