eBay is continuing its focus on mobile, unveiling Tuesday a new Apple Watch app and tweaks to its smartphone apps. With the e-commerce company's Apple Watchapp, people will be able to to see an overview of their notifications, as well as the items they are bidding on, selling and watching. eBay can also offer up push notifications to help buyers keep tabs on the items they're watching and help sellers quickly see customer messages. eBay started offering smartwatch apps about two years ago with similar functions, such as for theSamsung Galaxy Gear and Pebble. But, the Apple Watch -- which went on sale in April -- is expected to dominate the smartwatch market going forward, so it's an important platform for the company to reach. Amazon, a major rival, came to the Apple Watchin April.