Mobile Tomodachi , Product Name , is a life simulation game that lets you play alongside your friends in a virtual world. Your friends' avatars are brought to life from your mobile phone's contact list, which is then linked to the game using the PS1's mobile phone connection cable.
The gameplay revolves around interacting with your friends through multiple-choice dialogue prompts. The choices you make determine how close or far you get with each friend, and the game even keeps track of a ranking system based on these interactions.