A touch anywhere virtual analog stick handles character movement, and practically everything in the game from the menus to the battles themselves is tap friendly. (toucharcade.com)
Wonder how well this would work on games with virtual analog sticks like Rayman DS and Super Mario 64 DS (gonintendo.com)
The nub was extremely useful in games that used a virtual analog stick on the touch screen, and rarely ever useful outside of that. (nintendoworldreport.com)