This link http://android.wordpress.org/2010/05/11/wordpress-for-android-version-1-2-geotagging-and-video-upload/ has the secret sauce for uploading 3gp videos to a wordpress blog namely the PJW Mime Config plugin.
After installing PJW Mime Config the mime type you need to add under Settings ==> Mime Types using the PJW Mime Config plugin is:
File Extension: 3gp
Associated mime-type: video/3gpp
Of course without the functionality of the Videopress plugin which enables conversion of 3gp into multiple formats you will only have 3gp video's available on your self hosted blog.
How to Enable Tethering via USB on Your Android Phone.
You will find a lot of useful security tools in this app that will enable you to increase your mobile security.
Nobody likes the idea of being connected to internet or
local network using wires any more.