The Microinstall is a set of classes that makes it easy to distribute your MIDlets. The end users could send your MIDlet to other people via Bluetooth, Ir, SMS or MMS.
JVending is a content provisioning system that implements most of the J2EE Client Provisioning Specification (JSR-124). JVending provides catalog management and device detection. Project also includes WAP push, MMS client and a registry for devices.
Python Multimedia Messaging Service (MMS) library
The python-mms library provides an "mms" module for Python, consisting of classes that facilitate the creation, manipulation and encoding/decoding of MMS messages used in mobile phones.