This is a beta version. Right now the app only shows accelerometer and gyroscope data on the paired Android Wear device. Coming soon, capability to record data, display gyroscope and magnetometer data, voice commands, etc.
To run the app, go to start on your Android Wear device, and then select Physics Toolbox Wear, or say "start Physics Toolbox Wear" on your Android Wear device. To use the app it is necessary to re sync apps on the Android Wear app.