The user can give access of his geyser(s) to his friends and family. This important features saves them the trouble to set up the same network again. The share network features comes in handy in case of multiple geysers and in hospitality settings.
The user is notified on their smart phone when the geyser reaches the temperature set by the user. A critical feature which informs the user that the water is heated to the desired temperature and ready for use.
Android SDK, iOS SDK, Java, Objective-C, WiFi https