Just simply unusable!
The App is often non responsive or sluggish at best! 9 out of 10 times it says there is no connection to the LiveLink system. It asks for a password almost every time and goes back to the home screen after you enter it, which gives the impression that you have to enter it again. Actually it is just slowly making a connection. It freezes constantly and light respond sluggish on the rare occasion when you do get them to respond. The title sums it up, useless!