TeamViewer QuickSupport for gTablet running Android 2.3.7?

I've been using VNC for remote access/sipport to my mom's tablet. However, she'll be moving around and one thing to use VNC, I need to open a port in the firewall. QuickSupport would be ideal. I found an older version which supports Gingerbread, but when it tells me that there is an Add On available, and I select to install the Add On, it force closes. Doesn't even get to start downloading the Add On. Does anyone have QuickSupport running on a gTablet with Android 2.3.7 and can share the Add On?

Thanks.

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