Sorry but i`m a noob and don`t works for me.
I followed readme steps 1 by 1. I have KT5 with 5.1.2 firmware. I have jailbrake and gui launcher. I installed all update files (fonthack 1.3.2, kindlet jailbreak and combined dev certs) but do not happens anything! Before install fonthack in Kindle root menu apear two folder fonthack (empty) and developer (another 3 folder like metadata etc.). Thank you in advance!
Sorry my bad english.