Only Design screens which were created using the android app can be edited on the app. If the screen was created on the web, you'll need to head back to Marvel on desktop browser to edit it.
To edit a Design screen created using the android app:
- Tap on your project thumbnail to open it
- Tap on any design screen to open it
- Select the vertical ellipsis at the top > edit Design
- Make your changes and hit the tick in the top right-hand corner to save