Be prepared to wait for a very long time at Passport Control. And no, the signs don't mean much. They mean whatever the passport officer wants them to mean.
No plane boards but row or group. It's just a free for all line. Emirates does have a section for first & gold members. Still a free for all. Airport is a straight mess.
The most funny things are that here's nothing, no Internet facility, no any nice shopping place and the most worst is smoking room, oh Lord it's really ridiculous