It covers codes and videos like background geolocation ,file uploading, file downloading,qr code scanner , barcode scanners and many more. More than 100 videos are available right now and many more will be added soon.

So, Please download this application , watch all these videos and whenever new video is uploaded you will be notified instantly.

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.