Pebble iOS SDK by Pebble interacts with the API to create applications in wearable watches. Resources on GitHub include CocoaPods installation and Xcode documentation. Integration occurs via Bluetooth. See the examples available at https://github.com/pebble/pebble-sdk-examples
Google has announced the developer preview of TensorFlow Lite, a solution for enabling on-device machine learning inference with a small binary size and low latency. TensorFlow Lite is designed for mobile and embedded devices and should be considered an evolution of TensorFlow Mobile.