converting .3dsx file to .cia format

Hi!~

I was wondering, if someone knew or could help me compile a EFL file into .cia format, ill provide the following infomations I have regarding what app it is including the original source of it~

https://www.reddit.com/r/SVExchange/comments/3zjjtg/new_tool_for_checking_pokemon_using_homebrew/#ht

Thank you, any help is welcome/advise~