Ok, (gasp) I got it working again by loading the "ULTRA 3.7.1 BETA" files (__rpg, _DSMENU.DAT, changelog, GW_INSTALLER.NDS, Launcher.dat) in the Gateway and reinstalled all that and got the Dragon! But still no luck in getting "Poochy & Yoshi's Woolly World (U).3ds" game to work. It stays...