how to know what permissions my app needs to ask for
Maybe in Kodular docs (https://docs.kodular.io/ ) , search component And looking at the permissions:
I want to know how I can find out what permissions my particular app needs to ask for.
I showed you by that looking at the component you are going to use ( Phone Call, Share , File, Camera, Player etc) , you will know what permission the component needs.
The example above was about the Phone Call component.