App reachability · field notes
How global and China apps behave on each path
Mainland hotel Wi-Fi and a local SIM: WeChat and Alipay are instant; Google is blocked by default. A travel eSIM only covers cellular. A node can keep both sides on Wi-Fi.
Start with the matrix, then the dedicated pages
The full app matrix, blocking mechanics, and four connection types live on the GFW guide. Buy an eSIM or a node from those pages.