As far as I'm aware the term f-Day referrs to the point not only of the GP32 releases, but the simultaneous release on all consoles Rlyeh is developing for, of every emulator that he's ported in its final state.
Does kinda reduce any favouritism accusations
Regarding compo releases, there's likely to be a slowing, perhaps, of actual releases (although often there is the occasional tantalizing bit of news) before a slew of them all arrive together and everyone argues over which is best. Ah, competitions - oh so fun they be