QR codes (Quick response code) are useful to reveal more information about a product, service or event. Generally, they direct the scanning device to a special URL, video, event page, email or address.
QR codes provide easiest way to share information like websites and contact info. They can be easily scanned using your camera equipped device and a proper QR code processing app (For Android, Barcode Scanner App, and on iPhone QR Reader for iPhone.) Once the code is scanned and processed, it takes you directly to the URL on your device, or shows you whatever else was encoded in the QR code.
To scan the codes, all you need is mobile device with a camera and an app to interpret the data in the code. It used as a shortcut to link to content online using your phone's camera, saving you from typing lengthy addresses into your mobile browser. QR codes are often used by Android users, it is good to be equipped with the best scanner apps.
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There are several types of QR codes that can be scanned by Android. First one is the Micro QR code. The Micro QR code is a littler adaptation of the standard QR code for applications with less ability to cover large scans. There are dissimilar forms of Micro QR codes also. These can hold 35 numeric characters.
Standard QR code is used for apps that have the ability to handle large scans. A standard QR code Android can hold up to 7089 characters, although not all QR readers can consent that much data. This type of QR code is used for the Android applications. Another important feature of the QR codes Android is that they need a small printout size. Since they are carrying information both vertically and horizontally, then an Android QR code can encode the same amount of information as a bar code in approximately one-tenth space.