No. US games are NTSC while Australian consoles only play PAL games. I think that Australian consoles should work with European, Indian, Chinese and Brazilian games but not American, Canadian or Japanese.
No
nah soz. the wii region locked so you cant play games from different countries
No PS2 games are compatible with PS3s having only 2 USB ports. The other consoles vary the games that they will play with less being compatible for different regions and consoles
no
No, only certain backward-compatible Xbox games.
yes :)
it depends on the console
No except for early PS3 consoles that had 4 USB ports PS3 consoles can not play PS2 games.
No, as Asia has their format of encoding the games, and English consoles have their own. This also applies to English games on an Asian game console.
yes
Yes, DS games and consoles are not region locked.
yes you can i have many format 2 games that play on my Australian ps3