This is one of the best Preparation Kit for exam 70-528 I found in the market, equipped with all the tools which candidate needs.
I was just thinking where I can say this needs improvement, so I went through entire test from all the different test modes, instead I discovered lot more good things, like this not only provided good explanation of the correct as well as incorrect answers but also I found uCertify has provided 'Fact' in learn and test mode, which is very helpful.
We can not only bookmark the question but also rate the question, we can also Add the Tags for the Question to which we feel more important of can help later on.
This has also provided MSDN Reference, where I can get more details if I want to get into more in-depth
And needless to say, the best part of uCertify I found is Test History and Readiness Report,
There are other lots of good features which I have not mentioned here, but I strongly recommend uCertify, for those who is aspirant for Microsoft .NET certifications.
Web : http://www.ucertify.com