It allows gamers to try out the game, get a feel for it, and continue playing it with no cost at all. (gamingintel.com)
Even though the game has little graphics and also appears to be somehow boring, once you have engaged in it, you will continue playing it for a long time. (stickmanwarriors.com)
In a perfect world I would just have one VC for all Nintendo devices that let play the same games on all of them so I could play Metroid Fusion on my 3DS and then come home and continue playing it on my TV through the Wii U. (nintendoworldreport.com)