They should, though naturally for screen captures and gameplay video they'll keep the default looks. They introduced the Mega Evolution concept in XY along with the character customization feature, so it'd be dumb to use one and not the other. Plus, with Alpha Sapphire and Omega Ruby being "online games" like XY, character customization would make your character "you".
The Secret Bases concept, which required you to mix records over Link Cables, would (from what I've seen) be online, similar to the PSS and Friend Safari systems, but different in that (once again, this is my speculation) you don't have to visit the physical location of the secret base (since the GBA ones had a 4-person secret base limit, and re-mixing records overwrote the bases you did have) and you go to others' bases via some in-game menu.
They probably would have something similar like maybe just hair and eyes, you should look at this website it's pretty useful. http://www.serebii.net/omegarubyalphasap...
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.