Not OP, but you can't really make your own apps for it. There are third party clients for it, though, and you can export data through them. I like mine, excep

Not OP, but you can't really make your own apps for it. There are third party clients for it, though, and you can export data through them. I like mine, except for the fact that the front fell off and I had to glue it back on. The battery lasts for 3 or 4 weeks, you can receive notifications (but not respond to them) and it looks fairly stylish.