Here you can find our experience to provide a whole open source solution in mobile devices:

• phoneME, OSGi and MUSIC
  Our experience to port the MUSIC middleware to phoneME Advanced (the open source Java ME CDC)
• MUSIC under phoneME and Knopflerfish
  MUSIC distribution based on phoneME and Knopflerfish, a complete open-source framework. The configuration provided is ready to run on PCs with Windows XP/Vista and in PDAs or smartphones with Windows Mobile.
• MUSIC on Android
  Porting of OSGi and the MUSIC middleware to the Android OS. It was accomplished in 2 different phases: phase I and phase II.