I'm looking for ways to control my computer while I'm far from it

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I'm trying to look for an application for my playbook that i can use my playbook as a remote control for my pc. So that even if i am not using the pc I would be able to control the program that are running on my computer. I have already one free application like that but I'm not satisfied with it as I can only use my playbook as a mouse but I still need to look at pc screen so i know where my cursor is going at the screen. . But I want something that would let me see on my tablet whatever is running on my pc.