ORAS Trainer Customization

[Speedin134]

One of the screen shots of the trailer "appears" to show the boutique but you can't really tell.

I would say it's probably extremely likely.

This probably confirms it, however: http://imgur.com/a/VltzO

Looks like a red bag and a green bag. hard to tell though

I think what you see as a red bag is her backside.

I agree. The red is her backside and the yellow is the top of the bag. At first it looked like different bags but after you said that I did a double take