The RK3588 is pretty nifty, and is the first Mali GPU (610) where ARM themselves have contributed the firmware upstream and have helped with Collabora with Panfrost development
Bleeding edge, still, but kernel 6.10 and Mesa 24.1 have GPU support
HDMI TX and DSI/CSI are still in-progress
Google is certainly planning on it being viable.
They’ve been merging RISC-V support in Android and have documented the minimum extensions over the base ISA that must be implemented for Android certification