PSP190 is a homebrew developed by EOD who can use a WiFi connection to send MMS. Unfortunately, this tool is currently only available with phone numbers attached to the Italian Vodafone network. He uses the online messaging service operator.
A text file named Rubrica, you can create your contact directory, so you do not need to leave your mobile number to retrieve the person you want to send your message.
What's new in this version 0.2?
Adding contacts list
System control number (the length should be 10 digits)
Checking the availability of an update for the next version directly
Bug fixes
Even if you do this homebrew is not directly intended, the information should be backed up, and who knows, can be one day we will see an adaptation of the tool intended for our mobile networks.

Clear interface based on our XMB console
This issue is obviously one of our editor
Confirmation of sending MMS
By pressing the button, the directory appears.
[Software] Minna no Shiats
[Software] Battle Spirits:
[Software] Motto Nuga-Cel!
[Software] Mimana Iyar Chr
[Software] Memories Off: S
