Ultimate Block Party, is a puzzle game series where blocks must be cleared, games in the franchise have been released for the arcade, what, and in various types of mobile phone, literally "portable telephones," and are often known simply as "keitai"?
Ultimate Block Party:  Games in the franchise have been released for the arcade, PSP, and mobile phone (EZweb, Yahoo! Keitai (Yahoo!ケータイ ) ). Japanese mobile phone culture: In Japan, mobile phones have become ubiquitous.
PSP