Have fun customizing your system with unecessary modifications. The bulk of the customization comes from splash screens and themes, you're not going to get a whole lot more of goodness from anything else. You could however get an animated bootscreen pretty easily with Bax https://gbatemp.net/threads/release-bax-boot-animations-for-your-3ds.497717/
Other than that you just play your games and enjoy the system instead of being bored and looking for more to add, which really there isn't anything that significant outside of themes and splash screen.
Yeah but i place it on my 3DS root can i have luma ?
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I have luma ?
Careful with changing the font, it's system wide and can break some apps (homebrew like FBI making you unable to reinstall the original font easily and some games), the fonts should be encoded in A4 format, not A8 like the tools floating around use.I dont care of bricking with my beautiful NTRBoot
Changing Font of Home Menu i see that very good because of envryption thing i will try with my custom theme that would be great