This app is realy works fine. You can change your system fonts to onother by choosing from the list.Only for ROOT users!How to use:1. Install the usual way.2. Agree with root-rights to the application.3. Select your favorite font.4. Resize font if you want to.5. Press "Set" button.6. Wait for message about completed procedure.7. Reboot.Now you reached new function - fonts resizing. Some fonts are really need in this function.Some models of Samsung and LG are not compatible. They have font changer engine from producer.