From ff9658b3bbbfb34c2c3170d2c7519f4658313535 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Tollk=C3=BChn?= <s.tollkuehn@bnvb-ingenieure.de>
Date: Wed, 7 Oct 2026 14:38:06 +0200
Subject: [PATCH] an additional way to detect android when in desktopmode

---
 launch.html | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/launch.html b/launch.html
index d4cc55a..378743d 100644
--- a/launch.html
+++ b/launch.html
@@ -1733,6 +1733,16 @@
       };
 
       function detectOperatingSystem() {
+        /*
+         * Chrome im "Desktop-Modus" auf Android sendet einen
+         * Desktop-UA (z.B. X11; Linux). Client Hints verraten
+         * das echte System. Firefox/Safari kennen sie nicht.
+         */
+        const hints = navigator.userAgentData;
+        if (hints && hints.platform === "Android") {
+          return OS_NAMES.Android;
+        }
+
         /*
          * iPadOS tarnt sich als macOS.
          */