1) Get a title id of any game you have installed from http://switchbrew.org/index.php?title=Title_list/Games (this is your target titleid)2) Create a directory on SD : sd:/atmosphere/titles/*target_titleid*3) use hactool to extract the romfs.bin and exefs files from your main game nca (its in secure from XCI - the biggest one)4) put romfs.bin in sd:/atmosphere/titles/*target_titleid*/romfs.bin, exefs files into sd:/atmosphere/titles/*target_titleid*/exefs/5) Edit titleid in main.npdm (in exefs) to contain target title id (this might help http://switchbrew.org/index.php?title=NPDM 6) run a fs_mitm containing CFW release, run your target app ( https://gbatemp.net/threads/how-to-get-layeredfs-working.507460/ Note that saves don't work for me atm, you should wait for mememenu/similar.Minecraft works, others not tested.proof video: