Background:
I can successfully build a GrapheneOS image for the android emulator following https://grapheneos.org/build; key points are picking the lunch sdk_phone64_x86_64 target and finishing with make emu_img.zip. The zip can be transferred to any intel based machine and it runs fine.
Problem:
On a MacOS silicon (arm64 architecture) I installed android SDK and the emulator, and I can run pretty much any off-the-shelf image, but I am having trouble with the GrapheneOS arm64 image.
The build run without any errors with target lunch sdk_phone64_arm64 but I cannot run it in MacOS: the emulator just starts with a black screen.
Can anyone give me any pointer to help troubleshooting the issue?