Watch the Ultimate Predator's skin change in new The Predator TV spot!

I watched this for a while and do not see the change.

In this other spot released by the official Italian 20th Century Fox YouTube channel (start at second 19), you can better see the skin changing.
I also created a gif:
https://uploads.disquscdn.com/images/a6c72e80bb936bd20968ba7d53797cdc65c44b38491d27f49b6036a5c4d215b8.gif

That GIF is much better, thank you! I've added it to the OP.

Sorry to say it but this reminds me of the rage-inducing John Connor-inator:

I think while this movie seems to touch upon Genetic Altering/Evolution  and so taking Traits from a Chameleon fits well within this context.

I think it may be  a nice change, but i still think the Predators Technological Cloak is better.   I guess if Predators can combined a Genetic Cloaking Method with the Technology then this would be a great advantage especially as they would have some Cloaking Ability in Water now. (Chameleon Trait)

Can this be meant not for cloaking a form of skin hardening?

Certainly having Cells become Harder as some kind of Armour is very interesting. ;)   Who knows it could be Both... if this is a Genetically Enhanced Predator where it has taken Traits from Many Organisms then anything is possible.

As long as it does-not sprout Wings and Fly ;)