The program uniting the devices running on different operating systems is being released Monday in Apple's app store. [...] Android watches only worked with smartphones powered by Android software, just as the Apple Watch is designed to be tethered exclusively to the iPhone. Google's new app, though, will enable the latest Android watches to link with the iPhone so people can quickly glance at their wrists for directions, fitness information and notifications about events, emails and Facebook updates. The combined sales of Android watches made by various device makers during the same period totaled 600,000 units for an 11 percent market share.