Mobile GIS applications are becoming very popular and the ArcGIS Server API for JavaScript can be used to quickly develop applications that are supported in both web and mobile applications. The API comes with built-in gesture support and works on iOS and Android platforms. The compact version of the API provides a smaller footprint that downloads quickly on mobile platforms and is recommended for development. In production, you should create an optimized build by using the Web Optimizer.
To make your application location-aware, you can use the HTML5 geolocation API, which supports both single-shot and continuous monitoring of the device location.
And that's just about it with regard to core API functionality. In the appendices, we'll provide what we hope is useful supplemental information relating to the Dojo elements that can help you lay out the components...