Keitai Denjū Telefang

Keitai Denjū Telefang (Japanese: 携帯電獣テレファング, Hepburn: Keitai Denjū Terefangu; lit. "Mobile Phone Beast Telefang") is a series of role-playing video games (RPGs) developed by Natsume Co., Ltd. and published by Smilesoft. In the games, the player contacts various creatures using a mobile phone-like device in order to get them to battle the foes they will encounter.