Mobile software growth is among the fastest rising companies due to the massive number of smart telephones being sold. Based on Paul Saettler, 2004, Educational technology might be traced back to the time when tribal priests systematized bodies of knowledge and historic cultures invented pictographs or signal writing to file and transmit info. In every stage of human civilization, one can find an educational approach or set of procedures supposed to implement a selected culture which had been also supported by number of investigations and evidences. The more superior the culture, the extra complicated became the technology of instruction designed to replicate explicit ways of particular person and social behaviour intended to run an educated society. Over centuries, each important shift in educational values, targets or aims led to various applied sciences of instruction.