device: 0.886
performance: 0.776
graphic: 0.640
debug: 0.435
arm: 0.360
user-level: 0.227
semantic: 0.178
mistranslation: 0.153
boot: 0.142
ppc: 0.130
virtual: 0.125
permissions: 0.102
register: 0.091
assembly: 0.074
socket: 0.052
peripherals: 0.047
PID: 0.045
network: 0.042
TCG: 0.021
VMM: 0.017
files: 0.016
hypervisor: 0.013
vnc: 0.012
risc-v: 0.012
i386: 0.006
architecture: 0.004
kernel: 0.003
x86: 0.003
KVM: 0.002

Black screen while I'm trying to emulate Android using "-machine raspi4b"