Originally Posted by Steven.Michael
creating a monoply, which is belived to be illegal
A monopoly for what? There are lots of developers of DS games. There are lots of shops selling DS games.
Originally Posted by Triplea4UK
DS sales are massive and I think one of the reasons is because of devices like this.
I doubt it very much - these kind of things are usually used by a very small minority. The majority of DS sales will be to children and families.