Google Inc.'s Android division on Monday announced several upgrades to its smartwatch technology, including built-in WiFi, making apps visible even when devices are in energy-saving mode, and adding easier functionality for opening apps and sending messages. David Singleton, director of engineering for Android Wear, said in a blog that watches running on its operating system will begin allowing apps to stay visible even when the energy-saving function kicks in, just not in full colour. As well, smartwatches running on Android Wear will able to connect to WiFi networks and continue to...