layton4 can play on dstt1.17a07 with ysmenu
dl dsm0096 from http://gamewiki.jp/uploader/dsma/ and change extinfo.dat and infolib.dat
ps. dont need to patch rom.
Today i did my R4 firmware to DSTT 1.17a07 with YSmenu090327 (made by r4ysg and r4ysauto) most of other game work fine but dragon quest9 is stop after loading with both white screen. anyone know how to fix this? (tried with fixed rom but same result)