I'm logged in on the app. I can add the item to my bag on the app. I can go into my bag. I can see it in my bag. It says REVIEW & PURCHASE at the bottom, but I can't tap on it. There isn't anything I can tap on. How do you make the purchase?
Edited to add: my bad. Normally when I shop online, you go into your cart, then you add your credit card info. For this app, you have to go into your account and add your payment method first. Then you go into your cart and pay.
Anyway, thank you so much to OP for posting this.