Amazon's always worked hard to make sure it's in the digital goods business as well as its obviously successful physical one, but this might be one of its boldest steps yet: another app store for Android. We heard the rumor a couple weeks ago through TechCrunch, and The Wall Street Journal is now claiming to have proof, including an Amazon document explaining some of the terms to the developers. It's apparently still unclear when the store will be launched or even what it'll be called, and since so far it seems like Amazon is mainly talking to developers about this behind closed doors, some of the specifics might still be in the air. According
