If the hush coming out of Cupertino isn’t enough of a signal that Apple is about to dazzle us with something at next week’s Worldwide Developers Conference (WWDC), perhaps the banners at Moscone are.

As AppleInsider reports, Adam Jackson took some nice pictures of Moscone West, the venue for WWDC. One of the banners in the hall shows the giant WWDC letters surrounded by flying iPhone apps and says “One year later. Light-years ahead.”

It’s no wonder Apple is highlighting the App Store. The company just celebrated its one billionth download in April in just nine months of being open for business.

Competition is heating up in the mobile space. Nokia just launched its Ovi app store to mixed reviews and RIM recently opened App World for BlackBerry users.