On the way now. Immigration auto gate for Sinkies want to gkeng, turn the notice directing sinkies to auto gate around and try to mislead sinkies to join the long foreigner queue. limpeh san san showed them my red passport and insisted on using the auto gate. The China tour group see until lao Hao Sui.
Edit: understand this autogate only for the normal visa exempt 30 days visit. Any other visa, including Non B, Non O, and Tourist Visas still must join the ah tiong crowds at the normal immigration queue.