This app can detect numbers from worldwide mobiles and landline telecom operators by using codes. The application consists of two modules- Who called. Just enter the phone number, and you will get the country or state or city or telecom operator of the calling number.
This game is an excellent application for the for self-study of vocabulary and phonetics of the elementary level. It contains words, specially selected fro various topics that are used in everyday life. The application allows you in the playing form to learn correct pronunciation and spelling due to the presence of visual and audio accompaniment.