This update features a lot of bugfixes and the ability to monitor your wearables temperature as well as monitoring your handhelds temperature on your android wearable.
You can download Battery Temperature Guard for free at the play store:
List of supported devices
FAQ for android battery temperature
|The new wearable battery fragment|
Die Temperature Guard App on your android wearable
|Your current handheld temperature displayed on the wearable app|
|Monitor the temperature of your wearable|