Yes, you can answer calls on your Galaxy watch. You simply need to connect your smartphone with Bluetooth connectivity to your Galaxy watch. Then go to the Galaxy Wearables App and change the settings. When you go to settings, simply tap on Notifications and then Manage Notifications and enable your preferred apps, in this case your calls. Now when you receive any call on your smartphone, your Galaxy watch will show it on screen. For answering a call, you simply need to slide the answer icon from left to right on the watch screen. And then your watch will display the ‘Check Your Phone’ message and you’ll be directed to continue the call via your phone.