uCertify has launched the online platform for their PrepKits which means you can take tests from anywhere on any device, including Mac, Android, iPad, etc. You need to have internet connection only.  I was approched to review 1Z0-040 PrepKit and I did. 
The PrepKit has many more features like:
• Practice test
• Quize
• Flash card
• E-book
• Analytics, Propgre report
• Study Planner
The cover page of the PrepKit looks like this:

ucertify

User can take multiple type of test. The test helper helps to define number of question in the test, time allowed, passing score, etc.

ucertify test

A report is generated after taking the test and it displays the start time ,end time, correct and incorrect questions etc.

urcertify graph

In short, the online platfrom is quite friendly and easy to use. It is recommendable to use uCertify PrepKitif you want to be fully prepared for any IT certification exam.

Try it now: uCertify Online Platform
OR
Download  : 1Z0-040 – OCA