모바일 게임 아이템 구매 인터페이스 디자인의 사용성 평가 연구

Abstract

With popularization of smart phones and advanced wireless network technology, mobile game is developing rapidly. Especially nowadays majority mobile games include in-apps purchasing function, so the importance of game item purchasing interfaces is increasing. This article focuses on the definition of game’s In App Purchase and makes analysis on usability of game item purchasing interface in three chosen mobile games. In addition, in order to research on item purchasing interface, the author studied usability evaluation method from experts firstly, and then made Heuristics for evaluate the usability of mobile game item purchasing interface. Then making usability evaluation on item purchasing interface in these chosen three games using Heuristics. The author launched questionnaires on two kinds of groups: ordinary users group and experts group. After analyzing the results from questionnaires and knowing satisfaction level from users, the author is trying to find weaknesses of item purchasing interface of mobile games. And found that the users are preferred those interface design which is consistent, well visible and conveniently operated. The problems that insufficient help when purchasing items or lacking of support when purchasing errors happened came out. By analyzing expert assessment result and through feedback, many problems are found and it is shown that users’ satisfaction is relatively low. Based on the mobility feature and small screen of smart phone, the users require simple and clear information delivery, and they also need to provide feedback.