I have avg zen on my computers and put it on my new phone and do I have to pay for it.
Tom,
Thank you for reaching out to us with your concerns. No need to worry, you can download and install the AVG Antivirus for Android free version and then activate it using email credentials to have pro version.
To download AVG for Android, refer this article: http://support.avg.com/SupportArticleView?urlname=AVG-Antivirus-for-Android-download-and-installation.
If you need further help, we request you to contact our Android support team. Please click on the following link( http://avgclick.me/AVGtechnical ) select as Android, fill out your details and click email option. The AVG mobile team will reply back to you via email with a resolution. Thank you.