you can install this - https://github.com/yellows8/hblauncher_loader/releases
to get the hb menu from the home menu
yeah i know about the hblauncher loader, but, first of all, the OP specifically said that it needs to be run from sysnand.
now, back to what i asked, decrypt9 uses a launcher.dat in order to run, just like gateway does, right now to run it, i have to replace the gateway launcher with the decrypt9 and then change it back.
is there a way to modify the 3dsx of gateway or decrypt9 so that one of them point somewhere other than launcher.dat?