Gamasutra: Every week, Gamasutra rounds up the top-grossing iPhone, iPod Touch and iPad applications, as current that day in the iTunes App Store. This week's U.S. revenue charts see Top Girl and Happy Park earning top iPhone sales, while Lego Harry Potter and Shadow Vanguard HD emerge as big sellers on the iPad.
148apps - Happy Park is a Rollercoaster Tycoon-style game for iOS that lets players build and operate their very own amusement park.
