Pebble brings Android Wear notifications support to smartwatch. Pebble's Android Wear compatibility goes from Beta to public release, giving Pebble the power to reply and act on notifications right from your wrist. If you can do it with Android Wear, you can do it with Pebble.
Pebble Android App 2.3.0 Release Notes
+ Android Wear Notifications. Reply and act on Android Wear notifications (requires Firmware v2.9+). Note: To respond to Hangouts notifications, the Android Wear app must be installed on your phone.
+ Pebbler-defined replies. Set your own replies to notifications (up to five, so get creative, buddy!).
+ Reply from Pebble using most Android-compatible SMS messaging apps.
+ Automatic app and watchface updates when Pebble is idle.
+ Support for Android 4.0+ devices.
+ Fixed Issues with Whatsapp notifications.
+ UTF-8 support in PebbleKit JS.
Pebble Firmware 2.9 Release Notes
+ NEW: Android Actionable Notifications. Adds support for actionable notifications and Android Wear compatibility for Pebbles paired with Android smartphones running v4.0 (Ice Cream Sandwich) or higher and the Pebble Android app v2.3.0 or higher.