Link Play Store: https://play.google....Hi_Fi2_ProAudio
* All Zone On/Off
* Zone and Source name can re-nameable by press and hold item on list
* Supported HAI Music Gateway.
* Short list by enabled Audio Zone and Audio Source.
* Recommend change Hi-Fi2 port to 4 digits (example: 2324, 2628 ., etc) because some router or cellular network blocked default port 23 and many application used port range 2 digits (ex: email occupied port 25). The Hi-FI2 utility software: http://homeauto.com/hi-fi2/