Using UI Elements 
Mobile Applications for Handhelds offers the same development tools and semantics for view design as standard Web Dynpro (WD).
A complete, but simplistic click-through example is provided to introduce you to the development procedure in the Composite Development Scenario.
More information: Tutorial: Developing an Order Application for Handhelds
Detailed material on developing views, the layout, and navigation is available in the Web Dynpro section of SAP Library.
However, only a subset of the UI controls and their properties is supported, since handhelds have limited display properties and suffer performance constraints. Thus, view sets are not supported, as they would not fit on the limited handheld display.
Therefore, the Mobile Applications for Handhelds perspective of SAP NetWeaver Development Studio only includes a subset of the WD controls and properties, while hiding others which are not suited for handheld devices.
More information: Supported UI Elements in the Developer Studio