Hi, I am about to order a Pipo Max 2 for our 5 year old and have a few questions I need answered as a tablet novice. 1. There is a Wifi only version and a Wifi+3G version available (both at the same price). Why is there a difference and will I need to have a 3G account for the tablet to be used in Wifi only mode at home? 2. I need a case with a wireless keyboard (in Pink) for the 9.7" tablet. There are lots available but they all seem to be noted as for either the iPad or the Samsung Galaxy. Do these work on other tablets also or is there specific programming required to make them compatible. Any other advice would also be very welcome. Many thanks.