QR code scanner app.
And running a QR code reader, please aim at the QR code mark.
When recognizing the QR code, you will go to that web page.

When the QR code is plain text, phone numbers, the QR code will show the text, the phone number information.

If you aim at your QR mark, click or automatically recognized by the camera without the need to scan the QR code, will be read.
Please use a QR Code reader applications well.

- Open Source ZXing library QR scanner. Apache License 2.0.

// Option A //

To download QR BAR Code Reader mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download QR BAR Code Reader mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download QR BAR Code Reader from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search QR BAR Code Reader in HappyMod App.