Hello Melanie,
You can download and install AVG Antivirus for Android as per the steps mentioned in this article ( http://support.avg.com/SupportArticleView?urlname=AVG-Antivirus-for-Android-download-and-installation ).
Thank you.
I have my husband's LG phone for myself now, but can't see how to extend my newly resubscribed account to this device
Melanie,
Please follow below steps to activate AVG Antivirus in your Android device:
1.Device Menu -> Settings -> Apps/Application Manager -> AVG -> Uninstall.
2. Restart your device once.
3. Open Google play store app on your device.
4. Search for AVG antivirus/cleaner.
5. Locate and install the free version of the app.
6. Now open the installed app.
7. Tap on drawer (3 lines) on top-left of the app.
8. Select AVG Account.
9. Enter your My Account email address and password.
The paid AVG app should get activated automatically.