add android download options for browsers other than chrome

assets/i18n.json

@@ -42,6 +42,11 @@
         "title": "Jitsi Meet for iOS",
         "description": "Install the Jitsi Meet app and then try opening the meeting again.",
         "button": "Download Jitsi for iOS"
+      },
+      "android": {
+        "title": "Jitsi Meet for Android",
+        "description": "Install the Jitsi Meet app and then try opening the meeting again.",
+        "button": "Download Jitsi for Android"
       }
     },
     "browser": {
@@ -124,6 +129,11 @@
         "title": "Jitsi Meet für iOS",
         "description": "Installieren Sie die Jitsi Meet App und versuchen Sie anschließend erneut, das Meeting zu öffnen.",
         "button": "Jitsi für iOS herunterladen"
+      },
+      "android": {
+        "title": "Jitsi Meet für Android",
+        "description": "Installieren Sie die Jitsi Meet App und versuchen Sie anschließend erneut, das Meeting zu öffnen.",
+        "button": "Jitsi für Android herunterladen"
       }
     },
     "browser": {
@@ -206,6 +216,11 @@
         "title": "Jitsi Meet pour iOS",
         "description": "Installez l'application Jitsi Meet, puis essayez de rouvrir la réunion.",
         "button": "Télécharger Jitsi pour iOS"
+      },
+      "android": {
+        "title": "Jitsi Meet pour Android",
+        "description": "Installez l'application Jitsi Meet, puis essayez de rouvrir la réunion.",
+        "button": "Télécharger Jitsi pour Android"
       }
     },
     "browser": {
@@ -288,6 +303,11 @@
         "title": "适用于 iOS 的 Jitsi Meet",
         "description": "请安装 Jitsi Meet 应用，然后再次尝试打开会议。",
         "button": "下载 iOS 版 Jitsi"
+      },
+      "android": {
+        "title": "适用于 Android 的 Jitsi Meet",
+        "description": "请安装 Jitsi Meet 应用，然后再次尝试打开会议。",
+        "button": "下载 Android 版 Jitsi"
       }
     },
     "browser": {