Now it is very simple, easy and quick to download APK free application from Google Play through PC.
It is a direct operation without any hassel by Portable Google Chrome.
So Lets go the main tab :
Requirements:
2.APK Downloader (ADD EXTENSION ON CHROME )
3. Android Device ID (ON ANDROID DEVICE )
All 3 Softwares Can Download On SKYDRIVE
Direct Link : >>>>>>>
OR
https://skydrive.live.com/?cid=f7f90dd1838f83d3&id=F7F90DD1838F83D3%21462
Lets Start...
Step 1: Download Portable Version of Google Chrome 20 and Extract it on desktop and run it on your PC.
Step 2: Download and install the APK Downloader Chrome Extension on portable google chrome.
Step 3: Set it up - Android Device-Id
To get your Android Device-Id, type in the dialer of your phone...
Code:
*#*#8255#*#*
*#*#TALK*#*#
If your device doesn't support on dialer to show the AID (Android ID) then please download the Device ID APK and send it to your device through Data cable or Bluetooth.
Seep 4. Sign in Google Play and open the APK Downloader options page.
Step 5. Enter email and device ID on Options page of APK downloader Login and just save the setting.
Step 6.Then get the APK downloader option from Tools >Extension>Option...
Step 7. Set your G-mail address and Android Device ID & get login.
For Example type skype in Google Play Search bar and you will show a APK icon file in the top most right side of your browser.
Now Click on that APK icon and your desied download will start.
Co- Operation :
Special Thanks goes to apps.evozi.com ! I did it customize only for user interface . :)
Legal Note / Disclaimer* Finally, please note that the use of this Chrome extension is violating Google's Play Store TOS! You've been warned.THIS POST IS FOR INFORMATION PURPOSE ONLY, AND THERE IS NOTHING ILLEGAL IN IT.
And that's it. Have Fun!!! 
Feel free to ask any problematic queries related this issue.