For everything else except Devialet:
The HIGH-END app will appear this year in a fresh new design and offers many helpful applications that make visiting the MOC Munich reliable and efficient. It is a clear guide through the international audio trade fair, which can be used to quickly call up hall plans, lists of brands and exhibitors as well as lots of useful information about the HIGH END 2022. The HIGH-END app was developed for iOS and Android. It can be found in the relevant app stores with the search term "High End".