Smokey

So I just beat the Pulse Swalot, went back up to the red head girl (can never remember her name!) and she said to head up to the row of gates. The first gate is yellow and I can't go through. Thanks!

I have my rock smash pokemon at the front of my party, and pressing A doesn't do anything. If I try using rock smash byselecting it, it just says "can't use it here". WAit nevermind. Figured it out, thank you!

For some reason, I can't figure out how to break the glass in the Spinel Gym. What do I have to click to be able to break the glass?