hi, sorry i post this in english, no habla espagnol :/
hermes if you read this, this is the way to fix blackscreen game, you can add this feature in your manager

:
this is the code to fix blackscreen game :
Lv2Syscall1(838,(u64)"/dev_usb000");
Lv2Syscall1(838,(u64)"/dev_bdvd");
usleep(1000000);
Lv2Syscall8(837, (u64)"CELL_FS_IOS:USB_MASS_STORAGE000", (u64)"CELL_FS_FAT", (u64)"/dev_bdvd", 0, 1, 0, 0, 0);
Lv2Syscall8(837, (u64)"CELL_FS_IOS:BDVD_DRIVE", (u64)"CELL_FS_UDF", (u64)"/tmp_bdvd", 0, 1, 0, 0, 0);
bye, thetool