I think my favourite background feature of the device would have to be that it saves your current digimon, so no need to worry about batteries. Plus the added advantage of, if you know you are going to be away from it for a long time you can just hit that resest button to put it in what I call...
Sorry if this is in the wrong catagory.
I would have to say my personal favourite virtual pet would have to be my Digivice ic 20x. I've always liked digimon and the digivice toys released in North America. But I had never had a Japanese one. As you know the Japanese digivices are more akin to...