Added fail-safe

app/src/main/java/eu/faircode/email/ActivityView.java

@@ -1630,7 +1630,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
                             JSONObject jasset = jassets.getJSONObject(i);
                             if (jasset.has("name") && !jasset.isNull("name")) {
                                 String name = jasset.getString("name");
-                                if (name.endsWith(".apk")) {
+                                if (name.endsWith(".apk") && name.contains("github")) {
                                     info.download_url = jasset.optString("browser_download_url");
                                     Log.i("Latest version=" + info.tag_name);
                                     if (BuildConfig.DEBUG)