Google is crafting its own alternative to Flipboard, Zite, and other curated news apps for tablets, tipsters divulged Thursday. Nicknamed Propeller, details are vague but would make it a rare cross-platform app, serving both Android and iPad users. Not much is known about what it does from AllThingsD's source, but Rackspace's Robert Scoble understood that it's "mind-blowing good."
