Introduction
The list of responses is defined by the user on the Android side, and saved to a database. When the user opens opens the watchapp, all these messages are downloaded to the watchapp, but only if the list has changed. The user selects a response, and it is sent to the contact displayed at the top of the watch screen. You can also select a list of favourite contacts as well as choose from those that most commonly SMS you.
Download
You can get this app and the Android companion app at the same time from the Google Play Store:
More info is available on my blog. If you find any bugs or have feature requests, let me know!