Amazon (AMZN -0.7%), jumping into the mobile app business, has a ways to go in competing with...

|By:, SA News Editor

Amazon (AMZN -0.7%), jumping into the mobile app business, has a ways to go in competing with Apple (AAPL), whose App Store has 300,000 apps. “But Amazon is trying to make a big splash in terms of quality,” Tricia Duryee writes. It will offer a free app a day to help with promotion, a free test-drive feature for paid-for apps, and mine a user’s purchase history to make recommendations.