Mobile commerce is nowadays very popular term, for several reasons. The basic one is of course the advance of technologies in the mobile telecommunications and development of new means of payments. Mobile commerce can be defined as a kind of business transactions, which are realized at least partially through mobile communications devices such as mobile phones or PDA, while they take place usually at the beginning or end of the process. The following research is targeted to this field and its goal is to create basics for more extensive studies exploring factors influencing mobile gaming and differences among chosen countries.