Hi,
What is the dimension of your image ? And which dimension your object have on scene ?
Keep the dimension below 2048px.
Which version of GDevelop you use ? b93, b94 ?
This is mostly an issue with the graphic API called PixiJS. The current version of this API in in v4,can you try this build, this one use v5 of the API.
You need export manually, all export with the build service doesn’t use the v4. that’s why you need export manually andbuild yourself the APK with cordova for example.