I live in China as well and since I don't use any Google products or Facebook, etc., it's not worth it to download a VPN.
In any case, none of the above Solutions work for me.
When using any of the VPN above on just my laptop I cannot open any site, and when using any of them on the router nothing changes, I can only do the same things I normally can and downloading from GoG in any way is still impossible.
The program BrandeX linked cannot be downloaded in China, at least currently.
Anything else I can do?
No need to use the program, you can do it manually.
The Google host file edit I linked above isn't blocked here. Copy/paste that in to your Windows host file, and Google stuff will work again. The key component is changing to a custom DNS server. The info at about.com linked above, also not blocked in China, tells you how to switch to another one. I use DynDns.