both these require hbmenu.nro to be on the root of sd. im not sure if these work. i just slapped them together.
if you wanna make your own nsp forwarders

here's the tool to get your keys
https://github.com/shchmue/Lockpick_RCM/releases

here's Nro2Nsp wiki (the program i use)
https://github.com/Root-MtX/Nro2Nsp/wiki/Requirements