Microsoft Remote Desktop

This app helps you to reach your desktop computer throw any other device. It is useful if you have to spend a lot time away from your computer but still need to access your data.
It also allows easy video and audio streaming. Microsoft did a great job making use of a touch screen, mouse simulation is great with using your touch on windows phone.
You need to have a log in details for every device you want to get it.

Pros: great mouse touch function even on your phone; safe;
Cons: not comfortable to monitor more devices;