[Kirby]

Pokemon Stadium 2 is not comatible with Pokemon Ruby.....only Gold and Silver and older is supported. In general, Gameboy Advance games are not supported on the N64

And yes, you can emulate a Transfer Pak. Grab the newest version of N-Rage DInput plugin here and read the readme:

http://www.ngemu.com/n64/plugins.php?cat=3&os=win32&type=pad