Found some stories online related to Tamagotchi and/or Bandai...
Tamagotchis seek second wave of virtual pet owners
Nice story on the current growth of Tamagotchi
A new Bandai product called Unazukin
PlayPhone to Power Bandai America's Wireless Portal, Providing Direct-to-Consumer Channel for Tamagotchi and other World-Class Bandai Brands
A press release talking about the company who will be handling future Tamagotchi mobile phone stuff