App Builder allows you to create your own apps from HTML/JavaScript/CSS content.
You can publish your apps on Google Play.

Features:

- Firebase integration including push notifications analytics and real-time database; to enable analytics and push notifications you only need to download google-services.json file from the Firebase console.

- Full control of the manifest; you may control all aspects of your app including permissions and numerous app and activity parameters.

- Custom resources like layouts menus drawables animationsetc. that obey Android configuration rules.

- Share the APK file or publish it on Google Play Store.

- Editor with syntax highlighting (HTML CSS JavaScript JSON XML) and code folds.

- Full access to all Android API via reflection;

- Remote editing via WiFi; this is useful for editing app files on a PC.

- A few example apps to use as a starting point.

- Your own unique key store for signing your apps; you can export/import the key store or generate a new one.

If you just need to wrap a website URL into an app App Builder will do it for you in seconds.

You can also earn money by integrating AdMob ads in your app. Both banner ads and interstitial ads are supported.

Ready examples:

Firebase Chat - a simple but complete chat app that demonstrates how to use Firebese real-time database.

- Image gallery.

- Notifications: demonstrates how to show notifications.

- System Interactions: shows how to do various system calls:
- Get Android version;
- Get user's phone number;
- Launch a browser;
- Launch an app;
- Take a picture;
- Record a video;
- Send an email.

- Location: shows how to use GPS and network location service.

- Sensors: shows how to get data from sensors

- QR Code Generator

- Search Box; demonstrates how to use a search box in the toolbar.

- View Pager; demonstrates how to switch between pages by a swiping gesture.

Support group: https://www.facebook.com/groups/AndroidAppBuilder/

Without subscription you have access to all features but your apps will expire (stop working) one hour after the build time. You can rebuild an expired app to make it work again.

Subscription allows you to build apps that never expire (even after the subscription expired).