diff --git a/README.md b/README.md
index 44f7cf6..648bf53 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,6 @@ Currently supported App sources:
 - Other - App-Specific:
   - [WhatsApp](https://whatsapp.com)
   - [Telegram App](https://telegram.org)
-  - [Steam Mobile Apps](https://store.steampowered.com/mobile)
   - [Neutron Code](https://neutroncode.com)
 - "HTML" (Fallback): Any other URL that returns an HTML page with links to APK files
 
diff --git a/lib/components/generated_form.dart b/lib/components/generated_form.dart
index 3eb2865..02ecc29 100644
--- a/lib/components/generated_form.dart
+++ b/lib/components/generated_form.dart
@@ -123,7 +123,7 @@ class GeneratedFormSubForm extends GeneratedFormItem {
   final List<List<GeneratedFormItem>> items;
 
   GeneratedFormSubForm(super.key, this.items,
-      {super.label, super.belowWidgets, super.defaultValue});
+      {super.label, super.belowWidgets, super.defaultValue = const []});
 
   @override
   ensureType(val) {
diff --git a/lib/providers/apps_provider.dart b/lib/providers/apps_provider.dart
index 043f399..3a53819 100644
--- a/lib/providers/apps_provider.dart
+++ b/lib/providers/apps_provider.dart
@@ -527,9 +527,10 @@ class AppsProvider with ChangeNotifier {
             ? 0
             : 1;
       case InstallMethodSettings.root:
-        code = (await NativeFeatures.installWithRoot(apkFilePath: file.file.path))
-            ? 0
-            : 1;
+        code =
+            (await NativeFeatures.installWithRoot(apkFilePath: file.file.path))
+                ? 0
+                : 1;
     }
     bool installed = false;
     if (code != null && code != 0 && code != 3) {
@@ -1300,6 +1301,9 @@ class AppsProvider with ChangeNotifier {
           settingsProvider.prefs?.setInt(key, value);
         } else if (value is bool) {
           settingsProvider.prefs?.setBool(key, value);
+        } else if (value is List) {
+          settingsProvider.prefs
+              ?.setStringList(key, value.map((e) => e as String).toList());
         } else {
           settingsProvider.prefs?.setString(key, value as String);
         }
diff --git a/lib/providers/source_provider.dart b/lib/providers/source_provider.dart
index 8f4e648..aef2e00 100644
--- a/lib/providers/source_provider.dart
+++ b/lib/providers/source_provider.dart
@@ -163,6 +163,24 @@ appJSONCompatibilityModifiers(Map<String, dynamic> json) {
         return e['customLinkFilterRegex']?.isNotEmpty == true;
       }).toList();
     }
+    // Steam source apps should be converted to HTML (#1244)
+    var legacySteamSourceApps = SteamMobile().apks.keys;
+    if (legacySteamSourceApps.contains(additionalSettings['app'] ?? '')) {
+      json['url'] = '${json['url']}/mobile';
+      var replacementAdditionalSettings = getDefaultValuesFromFormItems(
+          HTML().combinedAppSpecificSettingFormItems);
+      for (var s in replacementAdditionalSettings.keys) {
+        if (additionalSettings.containsKey(s)) {
+          replacementAdditionalSettings[s] = additionalSettings[s];
+        }
+      }
+      replacementAdditionalSettings['customLinkFilterRegex'] =
+          '/${additionalSettings['app']}-(([0-9]+\\.?){1,})\\.apk';
+      replacementAdditionalSettings['versionExtractionRegEx'] =
+          replacementAdditionalSettings['customLinkFilterRegex'];
+      replacementAdditionalSettings['matchGroupToUse'] = '\$1';
+      additionalSettings = replacementAdditionalSettings;
+    }
   }
   json['additionalSettings'] = jsonEncode(additionalSettings);
   // F-Droid no longer needs cloudflare exception since override can be used - migrate apps appropriately
@@ -658,13 +676,11 @@ class SourceProvider {
         APKMirror(),
         HuaweiAppGallery(),
         Jenkins(),
-        // APKCombo(), // Can't get past their scraping blocking yet (get 403 Forbidden)
         Mullvad(),
         Signal(),
         VLC(),
-        WhatsApp(), // As of 2023-03-20 this is unusable as the version on the webpage is months out of date
+        WhatsApp(),
         TelegramApp(),
-        SteamMobile(),
         NeutronCode(),
         HTML() // This should ALWAYS be the last option as they are tried in order
       ];