reinand makes gateway obsolete on n3ds. why? cause it has mset and rop, making it bootable from sysettings and needing cn or zelda/gw only once.
after you set everything up, it becomes almost a perfect cfw (no need for internet or other games to boot, emunand, every game works
just follow usernametaken tutorial to set it up:
https://gbatemp.net/threads/tutorial-setting-up-reinand-cfw-from-scratch.394806/unread