What exactly not work ? More details please.. Do you have "allow other sources" set in settings and developer-mode activated, when you installed my app ? Which version you use ? What you get when you applying this tweaks ? (screenshot ?) When you apply tweak "L" - it's required rebooting (you can do this from tweak), after that you will see color icons in this window: When you applying tweak "Q" - you can see changes immediately. Just call to someone or receive call from someone.