Any specific questions? It's a home/office automation project, it's for fun and learning, we started it during a hackathon at my company. It does things like close the window blinds or turn off the lights with funny remarks in response.

If you're in the US: Which company do you purchase your SIM(s) from?

I'm not in the US, but anyways - the SIM I have in this device is from T-Mobile.