To use the game editor in Minecraft mobile, you need to download and install a game editor first. You can download it from the game store or from the official website. Once you have successfully installed a game editor, you can start using it. First, you need to choose an editor mode. The game editor had a variety of modes to choose from, including creation mode, survival mode, and adventure mode. You can choose the mode according to your preferences. Then you need to choose an editor tool. There were many editor tools to choose from in the game editor, including cutting trees, digging, building, and making items. You can choose according to your needs. Next, you need to select the area you want to edit. There were many different areas to choose from in the game editor, including villages, cities, and underground caves. You can choose according to your needs. Finally, you need to follow the instructions in the game editor. The game editor will tell you how to use the editor tools, how to edit the areas you choose, and how to complete the tasks you want. You need to follow the instructions. Once you have successfully completed the above steps, you can start to use the game editor to edit the content you want.