Club Nintendo coins cannot be used to purchase software in the Nintendo DSi shop nor can it be used to purchase DSi points.
NINTENDO makes the DSi, but the Dsi is translated from the Japan Version
Nintendo does.
Yes, since the DSi and DSi XL are the same, software-wise.
DSi Ware games and other downloadable content The Nintendo DSi Shop is specific to the region for which the system was manufactured. For example, a Japanese system can download DSi Ware games and other software only from the Nintendo DSi Shop for the Japanese region, regardless of where the system is being played. Nintendo DSi exclusive game cards Nintendo DSi game cards that are only compatible with Nintendo DSi and Nintendo DSi XL (and not Nintendo DS or Nintendo DS Lite) are region locked. This means game cards manufactured for the U.S. market would not work in a system made for another country. Nintendo DS / Nintendo DS Lite game cards Older Nintendo DS and DS Lite software is region-free, so you can play most of that software on a Nintendo DSi and Nintendo DSi XL from any region. It's possible, however, that future Nintendo DS software will incorporate region encoding. In these instances, these games would not work in a system made for another country. Source: http://www.nintendo.com/consumer/systems/dsi/en_na/faq.jsp#vers
DSiWare is the name for downloadable software made exclusively for the Nintendo DSi system. It can be downloaded with DSi Points on the DSi Shop.
Points you have to get games and software from DSIware.
In America: A Nintendo DSi is $140; a DSi XL is $160. In Japan: A Nintendo DSi is ¥15,000; a DSi LL is ¥18,000. In the UK: A Nintendo DSi is £150. In Australia: A Nintendo DSi is $300.
What are you talking about? Pokemon games are played in Nintendo DS' or Nintendo DSi and Nintendo DSi XL. The games avalible are Pokemon Heartgold, Pokemon Soulsilver, Pokemon Pearl, and Pokemon Dimond, these games are played on the Nintendo DSi, DS, and Nintendo DSi XL. You can also play games online, Play on the official site, Pokemon.com.
tap the Nintendo dsi shop icon on the Nintendo Dsi , or Nintendo DSi XL start up screen
There is some free software on the DSI store, they are marked as costing 0 points, so are free.
The second Nintendo DSi is the DSi XL.