Android Wear by Google LLC is an app that allows you to connect your Android Wear smartwatch with an Android phone.

The benefits of an Android Wear smartwatch include:

-You can choose one of thousands of faces that best fits your personal style

-You can personalize the face with the things that are most important to you

-You can check your phone app info with your watch

-You can get built-in fitness information using fitness apps

-You can use the Google Assistant

-You can download apps specific to the Android Wear watch

The Android Wear watch basically has all of the features of an Android phone with the addition of the watch-specific apps. Downloading this app allows you to sync all of your phone and watch apps to keep your progress accurate.