Here is an awesome freeware for this purpose. Bluestacks helps to experience all your android device app in your computer. Bluestacks is cloud connectivity hence it can sync your android device with apps, photos, text message, updates etc., There are many freewares to feel the android in computer but bluestacks is with more facilities than other freewares. Bluestacks is with friendly user interface which make us very easy to work with it. Bluestacks helps you to access all your android device app in your pc. Apps includes games also. Bluestacks is integrated with windows and it can be work with other windows apps. And also it works well in windows 8 operating system and also MAC OS.
Get Blustacks: http://www.bluestacks.com/
Bluestacks seems to be an perfect app to experience android in computer. Just download and install it in your system. Start use the android in big screen.