I arrived on Qatar airways on Wednesday and I was prepared for the worst with lots of copies of everything all nicely organized in a folder, but the whole airport process was very smooth and efficient. I had downloaded the Thailand plus app but nobody asked to see it. At the first checkpoint I was asked for my passport with visa, and one copy of RT-PCR, COE, Covid insurance certificate, T8 form, ASQ hotel confirmation & T6 form (given on flight). They check the details thoroughly then you are given them back to carry with you to the next checkpoint. They checked my temp once on the forehead and this is written on the T8 form. When you get through immigration and collect your bags, you are met outside customs by the final checkpoint who very quickly get you into your hotel transport. The whole process only took around 30mins max, and no bag checks at airport or hotel. All in all it looks like they have streamlined the process and made it very efficient. What I can’t say is what happens if you haven’t got all the paperwork!!