Download and install official WireGuard Client from Google Play: Google Play: WireGuard
Open your favorite browser on your Android device, make sure you're logged into your Trust.Zone account and download the wireguard.zip archive file. This archive file contains WireGuard tunnel files for all Trust.Zone VPN zones: https://trust.zone/de/downloads/wireguard.zip
Please do NOT share your wireguard.zip with anyone as it contains your personal authentication key.
Run the WireGuard app and tap a blue + icon.
Tap the IMPORT FROM FILE OR ARCHIVE option.
Navigate to the wireguard.zip file you've downloaded before and select it. You may need to perform a long tap on the wireguard.zip file in order to select the zip archive itself instead of opening it. Short tap may open the archive and show its contents which is not what we need.
WireGuard tunnels list will be filled with the Trust.Zone locations, select desired VPN location and tap the switch ner location name to connect.
Deine IP: x.x.x.x · Schweiz · Sie sind jetzt in TRUST.ZONE! Ihr wirklicher Standort ist versteckt!