1.Changyou™ provides a mobile application software plus accessible online service, enabling mobile phone users to manage their relationships with relatives, lovers, friends and customers easily and efficiently – PRM™ Service Provider
Changyou™ is the first one who come up with the concept of "PRM - Personal Relationship Management - a combination of mobile SNS and PIM", currently, what Changyou™ doing is to offer mobile users an easier way to send/exchange vCard and backup & recover their contact information through GPRS/EDGE, an efficient way to stay in touch with their new and old friends.