docs: Mention emoji font

README.md

@@ -157,3 +157,5 @@ Example B:
 * Thanks to Mark for all his support and the chat background.
 
 * Also thanks to all translators and testers! With your help, fluffychat is now available in more than 12 languages.
+
+* <a href="https://github.com/googlefonts/noto-emoji/">Noto Emoji Font</a> for the awesome emojis.

lib/app_config.dart

@@ -32,6 +32,9 @@ abstract class AppConfig {
   static const String pushNotificationsGatewayUrl =
       'https://janian.de:7023/_matrix/push/v1/notify';
   static const String pushNotificationsPusherFormat = 'event_id_only';
+  static const String emojiFontName = 'Noto Emoji';
+  static const String emojiFontUrl =
+      'https://github.com/googlefonts/noto-emoji/';
 
   static void loadFromJson(Map<String, dynamic> json) {
     if (json['application_name'] is String) {

lib/utils/platform_infos.dart

@@ -48,8 +48,8 @@ abstract class PlatformInfos {
           onPressed: () => launch(AppConfig.sourceCodeUrl),
         ),
         RaisedButton(
-          child: Text(L10n.of(context).help),
+          child: Text(AppConfig.emojiFontName),
-          onPressed: () => launch(AppConfig.supportUrl),
+          onPressed: () => launch(AppConfig.emojiFontUrl),
         ),
       ],
       applicationIcon: Image.asset('assets/logo.png', width: 100, height: 100),