By browsing the site you will notice that almost all commercial applications are for Windows mobile. And the focused sales for this online app store are for United Kingdom market.
The site offers, as trading market where you can apply to develop an app and a place where you sell your application if have developed one. This really gave place for the user to explore not only the phones capability but the software it can run. If Samsung are into developing a site like Apple App Store, it will be a great push for their market, being online.
Goto Samsung Mobile Applications