Not saying this as an excuse, but you have to keep in mind the fact that its a closed beta for a reason. we are releasing a fix tomorrow, i would love if you give it a try.
Just Backed this up, and i had a chance to talk to their team and they are super nice, intelligent hardware makers in Egypt, if not the best.the kit uses the hardware components in your mobile device as if its embedded inside, and communicated with your device over a secured bluetooth channel.