Use APKPure App
Get App to QR old version APK for Android
Enjoy millions of the latest Android apps, games, music, movies, TV, books, magazines & more. Anytime, anywhere, across your devices.
Simple application that shows the QR code and send messages to Twitter or email of the applications installed on your mobile. This way your friends can easily install these applications on their phone.
You can also highlight your favorite applications and use the option "Install later" from Android Market in applications that interest you and you can not download at the moment.
Since version 1.5 this application has advertising. Advertising helps developers to continue with free applications, if you not want publicity you can compile the application. The code is LGPL and can be found here:
https://github.com/javipacheco/App-to-QR