It is already available as of April 5, 2009 for North America.
The flipbook but it's not out in America yet.
Sorry, but Nintendogs Plus Cats is only available for the 3DS.
No, you cannot get snapchat for the DSi
The DSi LL is a larger model of the DSi. It is currently available in Japan, and should be available in the west in early 2010, under the name DSi XL.
Yes. The Nintendo DSi is now available in black, white, pink, and blue.
According to Nintendo of America, there are over 1200 titles available for the Nintendo DS systems (Nintendo DS, DS Lite DSi and DSI XL) as of November of 2012.
Almost all the DSiWare available on the DSi Shop cannot be copied to another DSi.
If the UK is showing, then it's a PAL region DSi. DSi systems are region locked for certain content, you can only change the country and not the region. Canada isn't an available country on a PAL region DSi, it's available on the American DSi.
It is already available for download from the DSi's shop.
The Mii channel is not available for the Nintendo DSi.
It is in America but in Tokyo green dsi's are manufactured there
It is available in blue only on the U.S.