OK, well that fits better with what I'm seeing anyhow.
The app doesn't refresh even after 5 minutes in the background. So when I just leave the app, I get the notifications then I have to manually refresh the my games page.
Let me time it out once and see what it is, it's possible that I'm mis-interpreting the time, and since I've not measured it....well, you know.
I'll get back to you on the refresh time then.