Due to the dramatic growth in mobile data traffic, Multiple Radio Access Technologies (Multi-RAT) heterogeneous Networks (HetNets) have been proposed as a promising solution to cope with the high traffic demand in mobile networks. In this work we propose a User Equipment (UE) radio access...

This paper looks at the recent discussion on "Lootboxes" by regulators in several countries referring to the case of Japan in the light of business model revolutions. A game-of-chance mechanic which can be found in more and more in digital games to acquire virtual items and to help monetize...

This paper conceptualizes "Gacha", a lottery mechanism to win virtual items, which was developed in Japan, as game of chance elements in mobile games which is used for monetization in freemium business models. Based on the concept of Gacha, referring to previous studies, this paper also analyzes...