I got a reply from hbo go mobile:
"For Android smartphones, HBO GO requires Android version 2.1 - 2.3.The HBO GO App does not support Android 3.0 and higher (Honeycomb), which is the operating system that runs most Android tablets. We hope to support Honeycomb in the future."
My tablet has been upgraded automatically a couple times already. I could go back I guess. Or not. Oh well.