The Twixl Publisher 5 builder app lets you create a new app type in addition to the legacy single-issue and multi-issue apps: an article-based app.
When creating a new build setting, select "Article-based app" as the Application type.
This is the name you will see on your device home screen.
Choose whether you want an app that supports Tablets, Phones, or both.
3.2. User Interface Languages
Here you can select the languages your app will support - alerts and error messages in your app will then be displayed in the system language specified on the device.
Add a 1024x1024 icon for iOS and/or Android.
And add a 2208 x 2208 square image that will be used as the launch image.
Your are now ready to build your app and submit it to iTunes Connect and/or Google Play.