Depending on where you are in the world, you may or may not have actually heard of Truphone, but the world’s first global mobile network has just announced a variety of international mobile data plans for iPad users with Apple SIM.

Previously, we gave you an in-depth step by step tutorial on how to turn your iPod touch into an iPhone, and then later how to turn your iPhone into an iPad (or iPad Nano). And now, Truphone has come out with an app which can turn your iPad into an iPhone so that you can make calls with it over a WiFi or 3G network.