"Bookmarked Games" Menu Item

Hiho, another quick idea.

I’d like to observe certain (ongoing) games on a single screen, but since they’re played by different users, I’d have to cobble those together everytime and it would be so much easier if I could just bookmark them and have them appear in a batch of 9 or whatever, similar to the Games screen (though I’d prefer if I had to manually remove them from the bookmark screen instead of them disappearing after a game has finished).

Title is negotiable of course. :rainbow: