Hi,
We are working on a tutorial that should be available next week. You have 2 paths you can take:
For a native app, the app can not directly access the database. Thus you must implement a web service for your app to access and update data.
For a web app you can use an ajax style architecture similar to an app and interact with the db via web services or your can use a traditional style web app architecture where the UI is composed on the server from a web template and data pulled directly from the db, e.g., php, jsp, asp…
If you need extend your trial time send a trial extension request to sales at genuitec dot com