The increase in demand for mobile phone, which makes mobile phone become an essential part of our daily activities. This thus improves communication between people from various parts of the world. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get the original essay According to Paula Vicente, Elizabeth Rics and Maria Santos of ISCTE-University Institute of Lisbon, in a cell phone survey on July 18, 2008, the increase in mobile phone penetration is spurring a trend toward use of the mobile phone in addition. According to data from digital analysts GSMA Intelligence, for the first time there are more gadgets in the world than humans, and a growing number of them communicate only with other machines. around the 7.19 billion mark. Currently, the GSMA's real-time tracking system estimates the number of mobile devices at 7.22 billion, while the U.S. Census Bureau estimates that the number of people is still between 7.19 and 7.2 billion. Gadgets like tablets, smartphones and less smart phones are multiplying five times faster than us, and our population is growing at a rate of about two people per second, or 1.2% per year. “No other technology has impacted us as much as mobile. phone. "It's the fastest growing human-made phenomenon -- from zero to 7.2 billion in three decades," said Kevin Kimberlin, president of Spencer Trask & Co. Smartphones are relevant and valuable to all respects for human use, but using smartphone technologies to their potential requires certain key features like making phone calls, browsing the web, texting and preferred multimedia features and to be able to use most features above, one must have credit or airtime on their mobile phone, make airtime or credit recharge a vital part of the mobile phone. Recharging airtime or credit as agreed by many people especially adults is sometimes frustrating and stressful as there may be challenges such as network issues, forgetting part of the PIN code, etc. An Android based mobile credit or airtime application to help Android phone users with a simple and effective recharge technique would go a long way in eradicating most of the challenges people face while recharging their mobile phones with credit or airtime. The application would use OCR technology to work. OCR has gained greater popularity among computer scientists and computer enthusiasts as well as the general public over the years since its invention in 1914 by Emmanuel Goldberg, due to its applicable nature in various fields of study. Until a few decades ago, research in the field of optical character recognition (OCR) was limited to document images acquired with desktop flatbed scanners. The ease of use of such systems is limited as they are not portable due to the large size of the scanners and the need for a computer system. Additionally, the shooting speed of a scanner is slower than that of a digital camera. But now with the improvement in processing speed and high internal memory of portable mobile devices such as high-end cell phones, personal digital assistants (PDAs), smart phones, iPhones, iPods, etc. ., a new direction has been given to OCR..