Jon Lennart Aasenden just posted on G+ several links to new “How do I” entries in the OP4JS Documentation:

• Working with controls, the boxing model
• Using the TW3HttpRequest object
• Add a new form to my application
• Create and use a timer object
• Rotate a control by X degrees
• Plot pixels on a off-screen bitmap

You may also want to read Primoz Gabrijelcic’s article “First Steps with Smart Mobile Studio“.