Airtime Voucher Reader is a free Android app developed by Bulamu in the Utilities & Tools category. It allows users to quickly read airtime/voucher cards using their phone's camera instead of having to manually enter the digits. The app also offers a feature to save commonly used short codes/USSD codes like *100# for quick use later.

To read airtime/voucher cards, users just need to click on "Load Airtime" and hold their phone's camera steady with the digits they want to read in the box. After confirming that the digits have been read properly, users can click on "Call" to load the airtime. Similarly, for saving short codes/USSD codes, users can click on "USSD Helper," type in the code they want to save, and click on "Save." The saved code will appear in the list of saved codes, which users can click on to use.

Overall, Airtime Voucher Reader is a useful app for those who frequently load airtime or use short codes/USSD codes on their Android devices. With its simple interface and easy-to-use features, it can save users time and effort.