I went off to that site but looking at the small print saw: “Android emulators will work for Midas/Behringer mixers, but not for A&H mixers” Shame. Not sure why Android would be considered unsatisfactory for controlling a sound mixer. At out theater we have use android devices to work the lights while rigging stage side. They connect to a ETC Element 2 and we have never had a problem. One caveat though is that we use a dedicated and secure wireless router that allows no connection to anything else especially the internet. Thanks again for you help.