Purchased I'm me Zidoo Z20 Pro and I want with ask: 1. What is difference between Firmware G and without G? 2. Which way to update Firmware G when in device is Firmware without G? 3. On updates Firmware version G I will have in device also application ZiUi Cool? Now there there's not. 4. It is possible somehow set, to with after device switched ON automatically run Posterwall? 5. How can rename title in Posterwall? 6. How change round icons in Posterwall as Movies, TV show, All etc.? In advance thank you for help. Mikis