The most common way to edit a mobile world is to treat your phone like a storage device and use a PC as the "workbench". : Locate your world file (ending in ) in your phone's storage. : Navigate to Android/data/com.and.games505.TerrariaPaid/Worlds : Use the Files app to find the Terraria/Worlds : Move the file to a PC and open it with
A few apps claim to edit Terraria maps on Android (e.g., Terraria Map Editor from unknown developers on GitHub or APK sites). None are on Google Play or the App Store due to policy restrictions. terraria map editor mobile