Major plus for your website to feature a Nexus instead of an iPhone. It instantly gives me a comfortable feeling of professionalism. I like the idea of the app and its well-executed. However, even if I would get a 100% discount I wouldn't take it.
Starbucks equals common denominator hyped hipster coffee charged for at premium rates due to its viral-branding and A-locations. I would rather drink water from a sprinkler at a toilet-venue nearby than mix myself in the crowd which is hanging out at Starbucks and let the you-are-our-special-customer indoctrinated employees serve me a coffee.