[1] CBA has begun customer trials on a version of its mobile app designed for Android smart watches, and revealed that it also has an Apple Watch app under development.
[2] The Android app will be available on Android 4.3 devices and is currently in pilot for customers.
[3] The CommBank app for smart watches features an ATM locator and Cardless Cash which allows registered app users to get up to $200 once a day using a smartphone.
[Source] Australian Information Technology News – Commonwealth Bank (CBA) pilots Android smart watch app