In early July, 2011. RingierStudio had a class, which teach the way to use RIPS tool. The teacher - Romain and Marc, who come from Swiss teaach me, Oliver, Hoa and Thuat build 4 apps for ipad. LVFM, ChampionsLeague, Gold, and Week. Time for this class was a week (48hours) and this is finish perfect. Pls go to this link for more info about apps. And I come back to Xcode. Thanks Romain and Marc. Special thank to Stephane.