black data stamps?

[gdiddy]

Can you please look at the link below (tvportalapp) and please answer a couple questions, as follows:

1. What are those black square things called? (I see them everywhere)
2. How can I use my android phone to read them.

TV Portal | Home


Thanks!

 

[gdiddy]

I found the answer and I hope it might help other people with the same question.

Use Barcode Scanner developed by ZXing Team.